STD- 2nd Sub- Math.

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| By Sandip Thakare
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Sandip Thakare
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Questions: 16 | Attempts: 101

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Q-1-A) Fill in the blanks. 5

• 1.

2,   4,  ......., 8,   10

• A.

5

• B.

6

• C.

7

• D.

9

B. 6
Explanation
The given sequence starts with 2 and increments by 2 each time. Therefore, the missing number should be the next number in the pattern, which is 6.

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• 2.

0,   5,   10,    15, ........

• A.

20

• B.

30

• C.

25

• D.

35

A. 20
Explanation
The given sequence increases by 5 each time. Starting from 0, adding 5 gives 5, adding 5 again gives 10, and so on. Therefore, the next number in the sequence would be 15 + 5 = 20.

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• 3.

7,   14,   .......,  28,   35

• A.

21

• B.

22

• C.

23

• D.

24

A. 21
Explanation
The given sequence starts with 7 and increases by 7 each time. So, the next number would be 21, followed by 28 and then 35. Therefore, the correct answer is 21.

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• 4.

4,   8,    12,   ......,  20

• A.

15

• B.

16

• C.

17

• D.

18

B. 16
Explanation
The given sequence starts with 4 and increases by 4 each time. So, the next number in the sequence would be 16.

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• 5.

6,   12,    18,.    ........,   30

• A.

19

• B.

20

• C.

22

• D.

24

D. 24
Explanation
The given sequence is formed by adding 6 to each previous number. Starting with 6, we add 6 to get 12, then add 6 again to get 18. Continuing this pattern, we add 6 to 18 to get 24. Therefore, the missing number in the sequence is 24.

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• 6.

• A.

24

• B.

22

• C.

23

• D.

25

C. 23
Explanation
The correct answer is 23 because when you add 15 and 8 together, the sum is 23.

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• 7.

39+7=.......

• A.

46

• B.

45

• C.

47

• D.

48

A. 46
Explanation
The sum of 39 and 7 is 46.

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• 8.

85+6=.......

• A.

90

• B.

89

• C.

92

• D.

91

D. 91
Explanation
The correct answer is 91 because when you add 85 and 6 together, the sum is 91.

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• 9.

57+8=.......

• A.

66

• B.

65

• C.

64

• D.

67

B. 65
Explanation
The correct answer is 65 because when you add 57 and 8, you get a sum of 65.

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• 10.

30+7=.......

• A.

36

• B.

37

• C.

47

• D.

39

B. 37
Explanation
The correct answer is 37 because when you add 30 and 7 together, you get a sum of 37.

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• 11.

B)  tick the given number in words.     5 Eighty- nine

• A.

79

• B.

59

• C.

89

• D.

69

C. 89
Explanation
The correct answer is 89 because it is the only number that matches the given number in words, which is "Eighty-nine".

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• 12.

Seventy

• A.

17

• B.

70

• C.

77

• D.

75

B. 70
Explanation
The number 70 is the only one that can be formed by combining the digits of the other numbers. By taking the first digit of 17 (1) and the second digit of 77 (7), we get 17. By taking the first digit of 70 (7) and the second digit of 75 (5), we get 75. However, by taking the first digit of 70 (7) and the second digit of 17 (7), we get 77. Therefore, the only number that cannot be formed by combining the digits of the other numbers is 70.

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• 13.

• A.

40

• B.

44

• C.

14

• D.

84

C. 14
• 14.

Twelve

• A.

21

• B.

20

• C.

14

• D.

12

D. 12
Explanation
The given sequence of numbers is 21, 20, 14, 12. The pattern in the sequence is that each number is decreasing by a certain amount. Specifically, the first number decreases by 1, the second number decreases by 6, and the third number decreases by 2. Therefore, the next number in the sequence should decrease by 1, resulting in the number 12.

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• 15.

Twenty

• A.

12

• B.

20

• C.

90

• D.

80

B. 20

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• Current Version
• Mar 16, 2023
Quiz Edited by
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• Sep 13, 2020
Quiz Created by
Sandip Thakare

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