Mental Ability [NCO- Cyber Olympiad (SOF) Class 6]: Questions 1 - 8 of 393

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Question 1

Question MCQ▾

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

Choices

Choice (4)Response

a.

40

b.

80

c.

16

d.

24

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Question 2

Question MCQ▾

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

Choices

Choice (4)Response

a.

42

b.

21

c.

70

d.

45

Edit

Question 3

Question MCQ▾

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

Choices

Choice (4)Response

a.

90

b.

45

c.

54

d.

30

Edit

Question 4

Question MCQ▾

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

Edit

Question 5

Question MCQ▾

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

Choices

Choice (4)Response

a.

₹ 78.75

b.

₹ 27.50

c.

₹ 25.50

d.

₹ 51.25

Edit

Question 6

Question MCQ▾

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

Edit

Question 7

Question MCQ▾

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

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Question 8

Question MCQ▾

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.

Edit