Mental Ability-Basic Statistics [NCO- Cyber Olympiad (SOF) Class 8]: Questions 1 - 8 of 12

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Question 1

Question MCQ▾

The value of is ________

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 2

Question MCQ▾

A certain sum of simple interest becomes 4 times in 32 years. In how many years will it become six times?

Choices

Choice (4)Response

a.

25 years

b.

52 years

c.

48 years

d.

14 years

Edit

Question 3

Question MCQ▾

Richa՚s salary was reduced by . In order to have his salary back to the original amount, the present salary is to be raised by ________.

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 4

Question MCQ▾

A certain sum of simple interest becomes 3 times in 15 years. In how many years will it become five times?

Choices

Choice (4)Response

a.

15 years

b.

50 years

c.

40 years

d.

25 years

Edit

Question 5

Question MCQ▾

What least number must be subtracted from 167 to make it a perfect square?

Choices

Choice (4)Response

a.

23

b.

29

c.

42

d.

38

Edit

Question 6

Question MCQ▾

Kushal՚s salary was reduced by . In order to have his salary back to the original amount, the present salary is to be raised by ________.

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 7

Question MCQ▾

What least number must be subtracted from 205 to make it a perfect square?

Choices

Choice (4)Response

a.

32

b.

9

c.

10

d.

16

Edit

Question 8

Question MCQ▾

The value of is ________

Choices

Choice (4)Response

a.

b.

c.

64

d.

1024

Edit