Mental Ability (NCO- Cyber Olympiad (SOF) Class 6): Questions 1 - 8 of 394

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Question number: 1

» Mental Ability » Basic Arithmetic

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MCQ▾

Question

What is the least common factor (LCM) of 8 and 10?

Choices

Choice (4) Response

a.

40

b.

80

c.

16

d.

24

Question number: 2

» Mental Ability » Basic Arithmetic

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MCQ▾

Question

What is the least common factor (LCM) of 14 and 21?

Choices

Choice (4) Response

a.

42

b.

21

c.

70

d.

45

Question number: 3

» Mental Ability » Basic Arithmetic

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MCQ▾

Question

What is the least common factor (LCM) of 45 and 35?

Choices

Choice (4) Response

a.

90

b.

45

c.

54

d.

30

Question number: 4

» Mental Ability » Number Games » Number Series

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MCQ▾

Question

In the given series find the number in place of? .

23,19, ? , 12,9

Choices

Choice (4) Response

a.

15

b.

16

c.

14

d.

17

Question number: 5

» Mental Ability » Basic Arithmetic

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MCQ▾

Question

John charged Rs. 15.75 for each birdhouse he built. If the material costs Rs. 10.25 Per house, how much profit could he earn after selling five houses?

Choices

Choice (4) Response

a.

Rs. 78.75

b.

Rs. 27.50

c.

Rs. 25.50

d.

Rs. 51.25

Question number: 6

» Mental Ability » Basic Arithmetic

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MCQ▾

Question

The number that should replace the triangle so that the following forms a proportion is________.

12,21,8, ∆

Choices

Choice (4) Response

a.

18

b.

16

c.

14

d.

20

Question number: 7

» Mental Ability » Basic Arithmetic

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MCQ▾

Question

A number is divisible by 5 if, ________.

Choices

Choice (4) Response

a.

The last digit is 5 or 0

b.

The sum of the digits is divisible by 5

c.

The sum of the digits is divisible by 10

d.

Question does not provide sufficient data or is vague

Question number: 8

» Mental Ability » Basic Geometry

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MCQ▾

Question

Side BC of an ∆ ABC has been produced to point D. If ACD = and A = then B = ________.

Choices

Choice (4) Response

a.

b.

c.

d.

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