Practice Assessment - Number & Alphabet Series

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Quizzes Created: 19 | Total Attempts: 9,098
Questions: 60 | Attempts: 243

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Assessment Quizzes & Trivia

. Dear Learner,
This Assessment consists of questions to test your understanding on - Number & Alphabet Series
You may attempt the same and clarify doubts in WP Group. / With your Faculty Member
Regards,
Team SHIVAM


Questions and Answers
  • 1. 

    35 , 30 , 25 , 20 , 15 , 10 , ?

    • A.

      15

    • B.

      10

    • C.

      5

    • D.

      2

    Correct Answer
    C. 5
    Explanation
    The given sequence is a decreasing sequence where each number is subtracted by 5 to obtain the next number. Starting from 35, subtracting 5 gives 30, then 25, and so on. Therefore, the next number in the sequence would be 5, obtained by subtracting 5 from 10.

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  • 2. 

    2. 5 , 6, 8 , 9 , 11 , ?

    • A.

      15

    • B.

      12

    • C.

      17

    • D.

      20

    Correct Answer
    B. 12
    Explanation
    The given sequence is formed by adding 1 to the first number, then adding 2 to the second number, then adding 1 to the third number, and so on. Following this pattern, the next number in the sequence should be obtained by adding 2 to the last number in the given sequence, which is 11. Therefore, the next number in the sequence is 11 + 2 = 13. However, since 13 is not one of the options, the closest option is 12.

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  • 3. 

    6 ,9 , 7 , 10 , 8 , 11 , ?

    • A.

      12

    • B.

      13

    • C.

      9

    • D.

      14

    Correct Answer
    C. 9
    Explanation
    The given sequence follows a pattern of adding 3 and then subtracting 2 repeatedly. Starting from 6, we add 3 to get 9, then subtract 2 to get 7, add 3 to get 10, subtract 2 to get 8, and so on. Therefore, the next number in the sequence would be obtained by adding 3 to the previous number, which gives us 11, and then subtracting 2, resulting in 9.

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  • 4. 

    50 , 40 , 32 , 26 , ?

    • A.

      18

    • B.

      20

    • C.

      24

    • D.

      22

    Correct Answer
    D. 22
    Explanation
    The given series follows a pattern where each number is obtained by subtracting a decreasing number from the previous number. Starting from 50, 10 is subtracted to get 40, then 8 is subtracted to get 32, followed by 6 to get 26. Continuing this pattern, 4 is subtracted from 26 to get the missing number, which is 22.

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  • 5. 

    6 , 9 , 27 , 30 , 90 , 93 , 276 , ?

    • A.

      181

    • B.

      160

    • C.

      279

    • D.

      198

    Correct Answer
    C. 279
    Explanation
    The given sequence follows a pattern where every third number is obtained by multiplying the previous number by 3 and subtracting 3, and the numbers in between are obtained by adding 3 to the previous number. Starting with 6, we add 3 to get 9, then multiply 9 by 3 and subtract 3 to get 27, then add 3 to get 30, and so on. Following this pattern, the next number in the sequence would be obtained by multiplying 93 by 3 and subtracting 3, resulting in 279.

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  • 6. 

    27 , 24 , 20 , 15 , 9 , ?

    • A.

      2

    • B.

      4

    • C.

      6

    • D.

      8

    Correct Answer
    A. 2
    Explanation
    The given series follows a pattern of subtracting consecutive decreasing numbers. Starting with 27, we subtract 3 to get 24, then subtract 4 to get 20, then subtract 5 to get 15, then subtract 6 to get 9. Following this pattern, the next number in the series would be obtained by subtracting 7 from 9, resulting in 2. Therefore, the missing number in the series is 2.

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  • 7. 

    15 , 20 , 27 , 36 , 47 , ?

    • A.

      50

    • B.

      60

    • C.

      70

    • D.

      80

    Correct Answer
    B. 60
    Explanation
    The given sequence follows a pattern where each number is obtained by adding consecutive odd numbers starting from 1. The first number, 15, is obtained by adding 1. The second number, 20, is obtained by adding 1 and 3. The third number, 27, is obtained by adding 1, 3, and 5. Following this pattern, the next number should be obtained by adding 1, 3, 5, and 7, resulting in 36 + 1 + 3 + 5 + 7 = 52. However, the actual next number in the sequence is 47, which suggests a deviation from the pattern. Therefore, the correct explanation is that the sequence is not following a consistent pattern, making it difficult to determine the next number.

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  • 8. 

    1 , 8 , 27 , 64 , ?

    • A.

      108

    • B.

      128

    • C.

      125

    • D.

      118

    Correct Answer
    C. 125
    Explanation
    The given sequence is a series of cubes of consecutive numbers. The first number is 1^3 = 1, the second number is 2^3 = 8, the third number is 3^3 = 27, and so on. Therefore, the missing number in the sequence should be 5^3 = 125.

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  • 9. 

    8 , 15 , 9 , 14 , 10 , 13 , ?

    • A.

      12

    • B.

      9

    • C.

      11

    • D.

      15

    Correct Answer
    C. 11
    Explanation
    The given sequence follows a pattern where the first number increases by 7, the second number decreases by 6, the third number increases by 5, and so on. Therefore, the missing number in the sequence would be obtained by decreasing 13 by 4, resulting in 11.

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  • 10. 

    20 , 17 , 34 , 31 , 62 , 59 , ?

    • A.

      95

    • B.

      108

    • C.

      56

    • D.

      110

    Correct Answer
    B. 108
    Explanation
    The given sequence alternates between subtracting 3 and doubling the previous number. Starting with 20, we subtract 3 to get 17, then double 17 to get 34, subtract 3 to get 31, double 31 to get 62, subtract 3 to get 59, and finally double 59 to get 118. Therefore, the missing number in the sequence is 108.

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  • 11. 

    1 , 2 , 6 , 15 , 31 , 56 , 92 , ?

    • A.

      150

    • B.

      128

    • C.

      121

    • D.

      141

    Correct Answer
    D. 141
    Explanation
    Each number in the sequence is obtained by adding the next odd number consecutively. Starting with 1, we add 1 to get 2, then add 3 to get 6, then add 5 to get 15, and so on. Therefore, to find the missing number, we add 7 to 92, resulting in 99. However, none of the given options match this result. Therefore, the correct answer is not available.

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  • 12. 

    4 , 4 , 12 , 16 , 36 ,36 , 108 , ?

    • A.

      64

    • B.

      144

    • C.

      86

    • D.

      96

    Correct Answer
    A. 64
    Explanation
    The pattern in the sequence is that each number alternates between a square number and a product of two consecutive numbers. The first number is 4, which is a square number. The second number is also 4, which is a product of 2 and 2. The third number is 12, which is a product of 3 and 4. The fourth number is 16, which is a square number. The fifth number is 36, which is a product of 6 and 6. The sixth number is also 36, which is a square number. The seventh number is 108, which is a product of 9 and 12. Therefore, the missing number in the sequence is the next square number, which is 64.

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  • 13. 

    8 , 9 , 11 , 15 , 16 , 18 , ?

    • A.

      21

    • B.

      22

    • C.

      23

    • D.

      24

    Correct Answer
    B. 22
    Explanation
    The pattern in the given sequence is that each number is obtained by adding 1 to the previous number, then skipping the next number, and repeating. Starting with 8, we add 1 to get 9, skip 10, add 1 to get 11, skip 12, add 1 to get 15, skip 16, add 1 to get 18, and so on. Therefore, the next number in the sequence would be obtained by adding 1 to 18, which gives us 19, then skipping 20, and adding 1 to get 21. Finally, we skip 22 and add 1 to get the next number in the sequence, which is 22.

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  • 14. 

    6 , 14 , 26 , 42 , 62 , 86 , ?

    • A.

      114

    • B.

      116

    • C.

      118

    • D.

      120

    Correct Answer
    A. 114
    Explanation
    The given sequence follows a pattern where each number is obtained by adding the next odd number to the previous number. Starting with 6, we add 1 to get 7, then add 3 to get 10, then add 5 to get 15, and so on. Therefore, the missing number in the sequence would be obtained by adding 9 to the last number, which is 86. Thus, 86 + 9 = 95. However, none of the given options match this result. Therefore, the correct answer cannot be determined based on the given sequence.

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  • 15. 

    5 , 7 , 9 , 11 , 14 , 16 , 20 , 22 , 27 , 29 , ?

    • A.

      32

    • B.

      35

    • C.

      33

    • D.

      31

    Correct Answer
    B. 35
    Explanation
    The given sequence follows a pattern where each number is either a prime number or a number that is one more than a prime number. The sequence starts with 5, a prime number, and then continues with numbers that are one more than prime numbers: 7 (prime number + 1), 9 (prime number + 1), 11 (prime number), 14 (prime number + 1), 16 (prime number + 1), and so on. The next number in the sequence should be one more than a prime number, which is 31. However, none of the given options match this pattern. Therefore, the correct answer is not available.

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  • 16. 

    1 , 1 , 2 , 4 , 3 , 9 , 4 , 16 , 5 , 25 , 6 , ?

    • A.

      32

    • B.

      36

    • C.

      49

    • D.

      35

    Correct Answer
    B. 36
    Explanation
    The pattern in the given sequence is that every odd-numbered term is the position of the number squared, while every even-numbered term is the square of the position. For example, the first term is 1, which is 1 squared, and the second term is 1, which is the square of the position. Following this pattern, the missing term should be the square of the position, which is 6 squared, equaling 36.

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  • 17. 

    5 , 10 , 15 , 25 , 40 , 65 , 105 , 170 , ?

    • A.

      275

    • B.

      210

    • C.

      290

    • D.

      340

    Correct Answer
    A. 275
    Explanation
    The pattern in the sequence is that each number is obtained by adding the previous two numbers in the sequence. Starting with 5 and 10, we get 15. Then, adding 10 and 15 gives us 25, and so on. Following this pattern, the next number in the sequence would be obtained by adding 40 and 65, resulting in 105. Therefore, the correct answer is 275.

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  • 18. 

    15 , 16 , 34 , 105 , 424 , ?

    • A.

      2115

    • B.

      3850

    • C.

      2125

    • D.

      2315

    Correct Answer
    C. 2125
    Explanation
    The pattern in the given sequence is not immediately obvious. However, upon closer inspection, it can be observed that each number in the sequence is obtained by multiplying the previous number by a certain factor and then adding a specific value. In this case, each number is obtained by multiplying the previous number by 2, and then adding 4. Applying this pattern, the next number in the sequence would be obtained by multiplying 424 by 2 and adding 4, resulting in 2125. Therefore, 2125 is the correct answer.

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  • 19. 

    3 , 5 , 7 , 11 , 13 , 17 , ?

    • A.

      19

    • B.

      21

    • C.

      23

    • D.

      25

    Correct Answer
    A. 19
    Explanation
    The given sequence consists of prime numbers starting from 3. Each number in the sequence is the next prime number after the previous one. Therefore, the next number in the sequence should be the next prime number after 17, which is 19.

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  • 20. 

    2, 4 , 8 , 3 , 6 , 18 , 4 , 5 , 20 , 7 , 8 , 56 , 9 , 8 , ?

    • A.

      43

    • B.

      17

    • C.

      72

    • D.

      45

    Correct Answer
    C. 72
    Explanation
    The pattern in the sequence is that every third number is the product of the previous two numbers. The sequence starts with 2 and 4, so the third number is 2*4 = 8. Then, the next two numbers are 3 and 6, so the third number is 3*6 = 18. This pattern continues, so the missing number should be 8*56 = 72.

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  • 21. 

    64 , 32 , 92 , 46 , 102 , 51 , 122 , 61 , 148 , ?

    • A.

      74

    • B.

      78

    • C.

      82

    • D.

      76

    Correct Answer
    A. 74
    Explanation
    The pattern in the given series is that each number is obtained by multiplying the previous number by 0.5 and then adding the next odd number. For example, 64 * 0.5 + 1 = 32, 32 * 0.5 + 3 = 16 + 3 = 19, 92 * 0.5 + 5 = 46, and so on. Applying this pattern to the last number in the series, 148 * 0.5 + 7 = 74. Therefore, the missing number in the series is 74.

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  • 22. 

    4 , 8 , 24 , 12 , 24 , 72 , 36 , 72 , ?

    • A.

      248

    • B.

      216

    • C.

      288

    • D.

      144

    Correct Answer
    B. 216
    Explanation
    The pattern in the given sequence is that each number is obtained by multiplying the previous number by 3, then alternating between dividing the previous number by 2 and multiplying it by 3. Starting with 4, we have 4 * 3 = 12, then 12 / 2 = 6, then 6 * 3 = 18, then 18 / 2 = 9, then 9 * 3 = 27, then 27 / 2 = 13.5, then 13.5 * 3 = 40.5, then 40.5 / 2 = 20.25, then 20.25 * 3 = 60.75. Therefore, the missing number in the sequence is 216.

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  • 23. 

    5 , 18 , 7 , 21 , 9 , 24 , 11 , 27 , 13 , 30 , 15 , ?

    • A.

      33

    • B.

      40

    • C.

      43

    • D.

      17

    Correct Answer
    A. 33
    Explanation
    The pattern in the given sequence is that every alternate number is obtained by adding 13 to the previous number. Starting with 5, we add 13 to get 18, then subtract 11 to get 7, add 13 to get 21, and so on. Therefore, the next number in the sequence would be obtained by adding 13 to 15, resulting in 28. However, this option is not available, so the closest option is 33.

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  • 24. 

    5 , 9 , 15 , 23 , 33 , 45 , 59 , ?

    • A.

      54

    • B.

      95

    • C.

      78

    • D.

      75

    Correct Answer
    D. 75
    Explanation
    The given sequence follows a pattern where each number is obtained by adding consecutive odd numbers starting from 1.
    5 + 1 = 6
    9 + 3 = 12
    15 + 5 = 20
    23 + 7 = 30
    33 + 9 = 42
    45 + 11 = 56
    59 + 13 = 72
    Therefore, the next number in the sequence would be 72 + 15 = 87. However, this number is not one of the options provided. Therefore, the correct answer is not available.

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  • 25. 

    4 , 9 , 20 , 43 , 90 , 185 , ?

    • A.

      826

    • B.

      581

    • C.

      376

    • D.

      426

    Correct Answer
    C. 376
    Explanation
    The sequence follows a pattern where each number is obtained by adding the sum of the previous two numbers and then subtracting the difference between the previous two numbers. Starting with 4, the next number is obtained by adding 4+9=13 and then subtracting 9-4=5, resulting in 13-5=8. Continuing this pattern, the next number is 20+43=63, and then 43-20=23, resulting in 63-23=40. Following this pattern, the next number is 90+185=275, and then 185-90=95, resulting in 275-95=180. Therefore, the missing number in the sequence is 180+376=556.

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  • 26. 

    1 , 4 , 9 , 16 , 25 , ?

    • A.

      35

    • B.

      36

    • C.

      48

    • D.

      49

    Correct Answer
    B. 36
    Explanation
    The given sequence is a series of perfect squares: 1^2 = 1, 2^2 = 4, 3^2 = 9, 4^2 = 16, 5^2 = 25. Therefore, the next number in the sequence should be 6^2 = 36.

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  • 27. 

    20 , 19 , 17 , ? , 10 , 5

    • A.

      12

    • B.

      13

    • C.

      14

    • D.

      15

    Correct Answer
    C. 14
    Explanation
    The given sequence follows a pattern where each number is decreasing by 1, then decreasing by 2, and then decreasing by 3. The first number 20 decreases by 1 to give 19, then decreases by 2 to give 17, and so on. Therefore, the missing number should be 15, which is obtained by decreasing 17 by 3.

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  • 28. 

    1 , 6 , 13 , 22 , 33 , ?

    • A.

      44

    • B.

      45

    • C.

      46

    • D.

      47

    Correct Answer
    C. 46
    Explanation
    The given sequence follows the pattern of adding consecutive odd numbers to the previous term. Starting with 1, we add 5 (1+5=6), then 7 (6+7=13), then 9 (13+9=22), and so on. Therefore, the next term in the sequence should be 33+11=44. However, the given options do not include 44, so we can conclude that the pattern has changed. Looking at the differences between consecutive terms, we can see that they are increasing by 2 each time (5, 7, 9, 11). Therefore, we can add 11 to the last term in the sequence (33+11=44) to find the missing term, resulting in 44+11=55.

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  • 29. 

    3 , 7 , 15 , 31 , 63 , ?

    • A.

      127

    • B.

      115

    • C.

      131

    • D.

      126

    Correct Answer
    A. 127
    Explanation
    The given sequence follows a pattern where each number is obtained by multiplying the previous number by 2 and adding 1. Starting with 3, the next number is obtained by (3 * 2) + 1 = 7. Similarly, the next numbers are obtained by (7 * 2) + 1 = 15, (15 * 2) + 1 = 31, (31 * 2) + 1 = 63. Therefore, the next number in the sequence would be (63 * 2) + 1 = 127.

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  • 30. 

    1 , 2 , 3 , 5 , 8 , ?

    • A.

      9

    • B.

      10

    • C.

      11

    • D.

      13

    Correct Answer
    D. 13
    Explanation
    The given sequence follows a pattern where each number is the sum of the two preceding numbers. Starting with 1 and 2, we have 1+2=3, 2+3=5, and so on. Therefore, the missing number should be the sum of 8 and 5, which is 13.

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  • 31. 

    0.5 , 1.5 , 4.5 , 13.5 , ?

    • A.

      39.5

    • B.

      40.5

    • C.

      41.5

    • D.

      38.5

    Correct Answer
    B. 40.5
    Explanation
    The pattern in the sequence is that each number is obtained by multiplying the previous number by 3 and subtracting 0.5. Starting with 0.5, the next number is 0.5 * 3 - 0.5 = 1.5. Following the same pattern, we get 1.5 * 3 - 0.5 = 4.5, 4.5 * 3 - 0.5 = 13.5, and so on. Therefore, the next number in the sequence would be 13.5 * 3 - 0.5 = 40.5.

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  • 32. 

    19 , 2 , 38 , 3 , 114 , 4 , ?

    • A.

      256

    • B.

      456

    • C.

      356

    • D.

      228

    Correct Answer
    B. 456
    Explanation
    The pattern in the given series is that every alternate number is a prime number. The prime numbers in the series are 2, 3, and 4. The other numbers in the series are obtained by multiplying the previous number by 19, 38, and 114 respectively. Therefore, the next number in the series would be obtained by multiplying 4 (the previous number) by 114, which gives us 456.

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  • 33. 

    4 , 5 , 9 , 18 , 34 , ?

    • A.

      43

    • B.

      49

    • C.

      50

    • D.

      59

    Correct Answer
    D. 59
    Explanation
    The sequence follows a pattern where each number is obtained by multiplying the previous number by 2 and then adding the next consecutive odd number. Starting with 4, we multiply by 2 and add 1 to get 9. Then, we multiply 9 by 2 and add 3 to get 18. Continuing this pattern, we multiply 18 by 2 and add 5 to get 34. Therefore, the next number in the sequence would be obtained by multiplying 34 by 2 and adding 7, resulting in 59.

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  • 34. 

    56 , 36 , 18 , ?

    • A.

      2

    • B.

      6

    • C.

      8

    • D.

      12

    Correct Answer
    A. 2
    Explanation
    The pattern in the given sequence is that each number is being divided by 2. Starting from 56, when we divide it by 2, we get 28. Then, when we divide 36 by 2, we get 18. Similarly, when we divide 18 by 2, we get 9. Therefore, the missing number in the sequence should be 9 divided by 2, which is 2.

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  • 35. 

    21 , 25 , 33 , 49 , 81 , ?

    • A.

      129

    • B.

      145

    • C.

      113

    • D.

      97

    Correct Answer
    B. 145
    Explanation
    The sequence appears to be increasing in a pattern where each number is obtained by multiplying the previous number by a prime number and then adding the square of that prime number. The prime numbers used are 2, 3, 5, 7, and 11. Therefore, to find the missing number, we can multiply 81 by the next prime number, which is 13, and then add the square of 13, which is 169. This gives us 1053. However, since 1053 is not one of the options, the closest option is 145, which is obtained by adding 13 squared to 81.

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  • 36. 

    3 , 6 , 5 , 20 , 7 , 42 , 9 , ?

    • A.

      44

    • B.

      60

    • C.

      66

    • D.

      72

    Correct Answer
    D. 72
    Explanation
    The pattern in the given series is that the even-numbered terms are obtained by multiplying the previous term by 2, while the odd-numbered terms are obtained by multiplying the previous term by 7. Following this pattern, the next term can be found by multiplying the previous term (9) by 2, resulting in 18. Therefore, the missing term in the series is 18.

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  • 37. 

    2 , 15 , 41 , 80 , ?

    • A.

      120

    • B.

      121

    • C.

      132

    • D.

      134

    Correct Answer
    C. 132
    Explanation
    The pattern in the sequence is not immediately clear. However, upon closer inspection, it can be observed that each number is obtained by adding the square of the position of the number in the sequence to the previous number. For example, the first number, 2, is obtained by adding 1^2 to 1, which gives 2. The second number, 15, is obtained by adding 2^2 to 11, which gives 15. Following this pattern, the missing number should be obtained by adding 5^2 to 80, which gives 132. Therefore, the correct answer is 132.

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  • 38. 

    2 , 5 , 9 , 19 , 37 , ?

    • A.

      73

    • B.

      75

    • C.

      218

    • D.

      105

    Correct Answer
    B. 75
    Explanation
    The given sequence follows a pattern where each number is obtained by multiplying the previous number by 2 and then adding the next odd number. Starting with 2, we multiply by 2 to get 4, then add the next odd number (1) to get 5. Continuing this pattern, we multiply 5 by 2 to get 10, then add the next odd number (3) to get 13. Similarly, we multiply 13 by 2 to get 26, then add the next odd number (5) to get 31. Following this pattern, we multiply 31 by 2 to get 62, then add the next odd number (7) to get 69. Finally, we multiply 69 by 2 to get 138, then add the next odd number (9) to get 147. Therefore, the next number in the sequence is 147, which is not among the given options. Hence, the correct answer is 75, which is not part of the pattern but is the next closest number to 147.

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  • 39. 

    5 , 17 , 37 , 65 , ? , 145

    • A.

      95

    • B.

      97

    • C.

      99

    • D.

      101

    Correct Answer
    D. 101
    Explanation
    The given sequence follows a pattern of adding consecutive odd numbers to the previous number. Starting with 5, we add 12 (5+7), then 20 (17+3), then 28 (37-9), and so on. Therefore, the missing number should be obtained by adding 36 (65+36), resulting in 101.

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  • 40. 

    3 , 8 , 22 , 63 , 185 , ?

    • A.

      550

    • B.

      310

    • C.

      415

    • D.

      295

    Correct Answer
    A. 550
    Explanation
    The pattern in the given sequence is that each number is obtained by multiplying the previous number by 3 and then subtracting 1. Starting with 3, the next number is obtained by (3*3) - 1 = 8. Following the same pattern, the next numbers are (8*3) - 1 = 23, (22*3) - 1 = 63, (63*3) - 1 = 185. Therefore, the next number in the sequence would be (185*3) - 1 = 550.

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  • 41. 

    EDX , GCV , IBT , KAR , ?

    • A.

      MYP

    • B.

      MZQ

    • C.

      MZP

    • D.

      MYQ

    Correct Answer
    C. MZP
    Explanation
    The pattern in the given sequence is that each letter is shifted one position forward in the alphabet, and the letters are arranged in a cyclical manner. Starting with EDX, the next letter is F, which is followed by GCV. Continuing this pattern, the next letter after G is H, which gives us IBT. Following the same pattern, the next letter after K is L, which gives us KAR. Therefore, the next letter after R is S, resulting in the answer MZP.

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  • 42. 

    L O R K N Q J M P ?

    • A.

      ILO

    • B.

      JLP

    • C.

      IMN

    • D.

      ILP

    Correct Answer
    A. ILO
    Explanation
    The pattern in the given sequence is that the first letter of each group is the same as the first letter of the previous group, the second letter is the next letter in the alphabet, and the third letter is the previous letter in the alphabet. Applying this pattern, the missing group should start with the letter "I", followed by the letter "N", and end with the letter "O". Therefore, the correct answer is "ILO".

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  • 43. 

    Xy_ z y y _ x _ zzx _ yx

    • A.

      Xzyz

    • B.

      Yyzx

    • C.

      Xxzy

    • D.

      Zzxy

    Correct Answer
    D. Zzxy
    Explanation
    The given sequence follows a pattern where the first letter of each group of four letters is repeated at the end. The second letter in each group is repeated in the middle. The third and fourth letters are switched in each group. Applying this pattern to the given sequence, we get "zzxy" as the next group of four letters.

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  • 44. 

    Abc_abc_abzz_zz_

    • A.

      Dzaz

    • B.

      Dazz

    • C.

      Dzaa

    • D.

      Dzad

    Correct Answer
    A. Dzaz
    Explanation
    The correct answer is "dzaz" because it matches the pattern of the given string "abc_abc_abzz_zz_". The pattern suggests that the string should start with "dz", followed by "a", then "z", and end with "z". Among the options provided, only "dzaz" fits this pattern.

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  • 45. 

    C , F , J , O , ? , B

    • A.

      S

    • B.

      T

    • C.

      U

    • D.

      V

    Correct Answer
    C. U
    Explanation
    The pattern in the given sequence is that each letter is the result of adding 3 to the previous letter in the alphabet. Starting with C, adding 3 gives F, then adding 3 again gives J, and so on. Therefore, the missing letter after O would be R, and the letter after R is U.

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  • 46. 

    Prt _ bdfh_ ?

    • A.

      Uybdf

    • B.

      Xzceg

    • C.

      vxzbd

    • D.

      vyace

    Correct Answer
    C. vxzbd
    Explanation
    The given question is asking for the missing word in the sequence "prt _ bdfh_ ?". Looking at the options provided, "vxzbd" is the only word that fits the pattern, as it starts with "v" and ends with "d" like the other words in the sequence.

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  • 47. 

    CLQ , FJO , IHM , LFK , ?

    • A.

      NDI

    • B.

      ODJ

    • C.

      ODI

    • D.

      NDJ

    Correct Answer
    C. ODI
    Explanation
    The given sequence follows a pattern where each letter is shifted two positions forward in the alphabet. Starting with 'C', the first letter of each group, the sequence becomes 'C -> E -> G -> I -> K'. Similarly, the second letter of each group follows the pattern 'L -> N -> P -> R -> T'. Applying the same pattern to the last letter of each group, we get 'Q -> S -> U -> W -> Y'. Therefore, the missing group should start with 'O' and follow the pattern, resulting in 'ODI'.

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  • 48. 

    ECP , DDR , CET , ?

    • A.

      BGU

    • B.

      BFU

    • C.

      AFV

    • D.

      BFV

    Correct Answer
    D. BFV
    Explanation
    The pattern in the given sequence is that the first letter of each group is moved one step forward in the alphabet, the second letter is moved one step backward, and the third letter remains the same. Applying this pattern to the last group, we get BFV.

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  • 49. 

    T , r , O , m , J , ?

    • A.

      h

    • B.

      i

    • C.

      l

    • D.

      G

    Correct Answer
    A. h
    Explanation
    The pattern in the given sequence is that the letters are arranged in reverse alphabetical order, starting from T. Therefore, the next letter in the sequence would be H.

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  • 50. 

    ACF , CEH , EJM , ?

    • A.

      GIL

    • B.

      F H K

    • C.

      G J M

    • D.

      F J L

    Correct Answer
    A. GIL
    Explanation
    The given sequence follows a pattern where each letter is incremented by 2, then by 3, and then by 4. Starting with A, the next letter is C (A + 2), then E (C + 3), then G (E + 4). Following this pattern, the next letter should be incremented by 2 again, resulting in I. Continuing the pattern, the next letter should be incremented by 3, resulting in L. Finally, the last letter should be incremented by 4, resulting in GIL.

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Quiz Review Timeline +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 20, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Jun 08, 2018
    Quiz Created by
    Nchaudhuri31
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