Mental Ability-Basic Arithmetic [NCO- Cyber Olympiad (SOF) Class 7]: Questions 1 - 7 of 121

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Question 1

Question MCQ▾

A man sold a radio for ₹ 1800 and gained 15% . The radio was bought for

Choices

Choice (4)Response

a.

₹ 1530

b.

₹ 1565.21

c.

₹ 2000

d.

₹ 1782

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Question 2

Question MCQ▾

600 liters of milk is divided in two parts having ratio X: 35, if the first part is 400 liters, find x.

Choices

Choice (4)Response

a.

50

b.

55

c.

70

d.

57

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Question 3

Question MCQ▾

Find three numbers in the ratio 2: 3: 5 such that the sum of their squares is 608.

Choices

Choice (4)Response

a.

6: 9: 15

b.

8: 12: 20

c.

16: 24: 40

d.

Question does not provide sufficient data or is vague

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Question 4

Question MCQ▾

If = 3125, then n = ?

Choices

Choice (4)Response

a.

6

b.

2

c.

8

d.

20

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Question 5

Question MCQ▾

In an examination, one should get 16% of the maximum marks to pass. A student obtains 100 marks and declared failed by 32 marks. The maximum marks are

Choices

Choice (4)Response

a.

1008

b.

640

c.

500

d.

825

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Question 6

Question MCQ▾

Three friends divide rupees 300 among themselves in the ratio . The share of the first friend is________.

Choices

Choice (4)Response

a.

Rs 192

b.

Rs 148

c.

Rs 288

d.

Rs 163.63

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Question 7

Question MCQ▾

Find four numbers in the ratio 1: 2: 2: 4 such that the sum of their squares is 625.

Choices

Choice (4)Response

a.

5

b.

4

c.

6

d.

2

Edit