Mental Ability-Basic Arithmetic (NCO- Cyber Olympiad (SOF) Class 7): Questions 1 - 8 of 122

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Question number: 1

» Mental Ability » Basic Arithmetic

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Question

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

Choices

Choice (4) Response

a.

Rs. 1530

b.

Rs. 1565.21

c.

Rs. 2000

d.

Rs. 1782

Question number: 2

» Mental Ability » Basic Arithmetic

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Question

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

Question number: 3

» Mental Ability » Basic Arithmetic

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Question

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

Question number: 4

» Mental Ability » Basic Arithmetic

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MCQ▾

Question

If = 3125, then n=?

Choices

Choice (4) Response

a.

6

b.

2

c.

8

d.

20

Question number: 5

» Mental Ability » Basic Arithmetic

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MCQ▾

Question

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

Question number: 6

» Mental Ability » Basic Arithmetic

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Question

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

Question number: 7

» Mental Ability » Basic Arithmetic

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MCQ▾

Question

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

Question number: 8

» Mental Ability » Basic Arithmetic

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MCQ▾

Question

Three friends divide rupees 500 among themselves in the ratio . The share of the second friend is________.

Choices

Choice (4) Response

a.

Rs. 160

b.

Rs. 192

c.

Rs. 288

d.

Rs. 148

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