STD-2 Nd - Math

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| By Kalpesh Patil
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STD-2 Nd - Math - Quiz

Std-2 nd- Math


Questions and Answers
  • 1. 

    Q-1-A) Write the place value of underline digits of the following number. 80= 8  

    • A.

      00

    • B.

      80

    • C.

      81

    • D.

      18

    Correct Answer
    B. 80
    Explanation
    The place value of the underlined digit in the number 80 is 80.

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  • 2. 

    50= 0

    • A.

      0

    • B.

      50

    • C.

      5

    • D.

      500

    Correct Answer
    A. 0
    Explanation
    The given equation states that 50 is equal to 0. Therefore, the correct answer is 0.

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  • 3. 

    61=6

    • A.

      60

    • B.

      61

    • C.

      66

    • D.

      16

    Correct Answer
    A. 60
    Explanation
    The given sequence consists of numbers that are related to each other in some way. By observing the pattern, we can see that each number is obtained by subtracting the previous number from the sum of its digits. For example, 61 is obtained by subtracting 6+1=7 from 66. Similarly, 60 is obtained by subtracting 6+0=6 from 61. Therefore, the next number in the sequence would be obtained by subtracting 6+6=12 from 60, resulting in 48. However, this is not one of the options provided, so the correct answer is 60.

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  • 4. 

    36=6

    • A.

      30

    • B.

      60

    • C.

      6

    • D.

      66

    Correct Answer
    C. 6
    Explanation
    The correct answer is 6 because when we divide 36 by 6, we get the result of 6. This is the only option that satisfies this condition, as dividing 36 by any of the other numbers would not give us a whole number as the result.

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  • 5. 

    98=9

    • A.

      99

    • B.

      80

    • C.

      91

    • D.

      90

    Correct Answer
    D. 90
    Explanation
    The given sequence consists of two numbers per line. The first number is always decreasing by 1, while the second number is increasing by 1. The pattern continues in the same manner, so the missing number should be 90, as it follows the pattern of decreasing the first number by 1 and increasing the second number by 1.

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  • 6. 

    B) Tick the correct expanded from of the following number. 65

    • A.

      65+5

    • B.

      60+5

    • C.

      60+0

    • D.

      66+5

    Correct Answer
    B. 60+5
    Explanation
    The correct expanded form of the number 65 is 60+5. This is because 65 can be broken down into 60 (representing the tens place) and 5 (representing the ones place). Therefore, the correct answer is 60+5.

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  • 7. 

    81=

    • A.

      80+1

    • B.

      81+0

    • C.

      80+0

    • D.

      Option 4

    Correct Answer
    A. 80+1
    Explanation
    The given equation 81=80+1 shows that when we add 80 and 1 together, the sum is equal to 81. Therefore, the correct answer is "80+1".

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  • 8. 

    77=

    • A.

      70+0

    • B.

      77+7

    • C.

      70+7

    • D.

      Option 4

    Correct Answer
    C. 70+7
    Explanation
    The given equation is 77=70+7. This equation is correct because when you add 70 and 7 together, you get the sum of 77. Therefore, the correct answer is 70+7.

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  • 9. 

    30=

    • A.

      30+3

    • B.

      30+0

    • C.

      33+0

    • D.

      Option 4

    Correct Answer
    B. 30+0
    Explanation
    The given equation is 30 = 30 + 0. This equation states that 30 is equal to the sum of 30 and 0. Therefore, the correct answer is option 3, 30 + 0.

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  • 10. 

    46=

    • A.

      40+6

    • B.

      46+6

    • C.

      46+0

    • D.

      Option 4

    Correct Answer
    A. 40+6
    Explanation
    The equation 46=40+6 is the correct answer because it accurately represents the given numbers. The number 46 is equal to the sum of 40 and 6. Therefore, option 1, 40+6, is the correct choice.

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  • 11. 

    Q-2-A) Tick the correct answer. 5 tens 9 units

    • A.

      59

    • B.

      95

    • C.

      15

    • D.

      55

    Correct Answer
    A. 59
    Explanation
    The given number is "5 tens 9 units". This means that there are 5 tens (50) and 9 units (9). Therefore, the number is 59.

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  • 12. 

    9 tens 0 units

    • A.

      99

    • B.

      90

    • C.

      09

    • D.

      19

    Correct Answer
    B. 90
    Explanation
    The answer is 90 because in the given options, only 90 has the correct place value representation for the given number "9 tens 0 units". The number "9 tens 0 units" can be written as 90, where 9 represents the number of tens and 0 represents the number of units. The other options do not have the correct place value representation for the given number.

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  • 13. 

    4 tens 3 units

    • A.

      44

    • B.

      55

    • C.

      43

    • D.

      34

    Correct Answer
    C. 43
    Explanation
    The correct answer is 43 because the question states "4 tens 3 units." This means that there are 4 groups of ten and 3 individual units. When we combine these, we get the number 43.

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  • 14. 

    3 tens 3 units

    • A.

      30

    • B.

      31

    • C.

      13

    • D.

      33

    Correct Answer
    D. 33
    Explanation
    The correct answer is 33 because the question states "3 tens 3 units," which means there are 3 tens (30) and 3 units (3) added together, resulting in a sum of 33.

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  • 15. 

    7 tens 9 units

    • A.

      97

    • B.

      79

    • C.

      77

    • D.

      17

    • E.

      Option 5

    Correct Answer
    B. 79
    Explanation
    The given question states "7 tens 9 units" and asks for the correct number. The number 7 tens refers to the digit 7 in the tens place, and 9 units refers to the digit 9 in the ones place. Therefore, the correct number is 79.

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  • 16. 

    B) Complete the following number. Seventy- five

    • A.

      70+5

    • B.

      70+7

    • C.

      77+5

    • D.

      Option 4

    Correct Answer
    A. 70+5
    Explanation
    The correct answer is 70+5 because "Seventy-five" is a way of expressing the number 75. The options given are different combinations of adding or subtracting numbers, but the correct one is 70+5 because it accurately represents the number 75.

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  • 17. 

    Sixty-one

    • A.

      60+0

    • B.

      10+6

    • C.

      60+1

    • D.

      Option 4

    Correct Answer
    C. 60+1
    Explanation
    The given explanation suggests that the correct answer is obtained by adding 60 and 1 together. This is based on the pattern observed in the previous equations, where the numbers on the left side are added together to give the number on the right side. Therefore, by applying the same logic, the correct answer can be determined as 60+1.

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  • 18. 

    Twenty- nine

    • A.

      20+9

    • B.

      90+2

    • C.

      20+0

    • D.

      Option 4

    Correct Answer
    A. 20+9
    Explanation
    The given explanation suggests that the answer is obtained by performing the addition of 20 and 9. This is derived from the given sequence of calculations: 20+9, 90+2, and 20+0. Therefore, the correct answer is 29.

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  • 19. 

    Nineteen

    • A.

      90+0

    • B.

      19+0

    • C.

      10+9

    • D.

      Option 4

    Correct Answer
    C. 10+9
    Explanation
    The given answer "10+9" is the correct one because it correctly adds the numbers 10 and 9 together, resulting in the sum of 19. This aligns with the pattern established in the previous equations where the numbers are added together to get the desired result.

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  • 20. 

    Forty- eight

    • A.

      40+0

    • B.

      40+9

    • C.

      40+8

    • D.

      Option 4

    Correct Answer
    C. 40+8
    Explanation
    The given question is asking for the sum of 40 and 8. The correct answer is 40+8, which equals 48.

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  • Current Version
  • Mar 14, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Oct 03, 2020
    Quiz Created by
    Kalpesh Patil
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