Mental Ability-Number Games (NCO- Cyber Olympiad Class 6): Questions 31 - 34 of 34

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Question number: 31

» Mental Ability » Number Games » Number Series

MCQ▾

Question

One number in this sequence is wrong. 54, 59, 56, 61, 57, 63

What change should be made to correct this sequence?

Choices

Choice (4) Response

a.

57 should be replaced by 59

b.

63 should be replaced by 64

c.

56 should be replaced by 53

d.

57 should be replaced by 58

Question number: 32

» Mental Ability » Number Games » Number Series

MCQ▾

Question

One number in this sequence is wrong. 15, 23, 31, 39, 49, 55

What change should be made to correct this sequence?

Choices

Choice (4) Response

a.

39 should be replaced by 38

b.

31 should be replaced by 33

c.

55 should be replaced by 53

d.

49 should be replaced by 47

Question number: 33

» Mental Ability » Number Games » Number Series

Appeared in Year: 2011

MCQ▾

Question

Which of the following does not fit in the number series given below?

2, 4, 16, 66, 298, 1530

Choices

Choice (4) Response

a.

16

b.

66

c.

298

d.

1530

Question number: 34

» Mental Ability » Number Games » Number Series

MCQ▾

Question

One number in this sequence is wrong. 8, 16, 18, 36, 38, 78

What change should be made to correct this sequence?

Choices

Choice (4) Response

a.

78 should be replaced by 76

b.

78 should be replaced by 74

c.

36 should be replaced by 34

d.

38 should be replaced by 40

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