Mental Ability-Basic Arithmetic (NCO- Cyber Olympiad Class 7): Questions 109 - 115 of 122

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Question number: 109

» Mental Ability » Basic Arithmetic

MCQ▾

Question

In an election, two candidates contested. A candidate secured 80 % of the valid votes and is elected by a majority of 156 votes. Find the total number of valid votes.

Choices

Choice (4) Response

a.

610

b.

880

c.

700

d.

390

Question number: 110

» Mental Ability » Basic Arithmetic

MCQ▾

Question

A man sold a radio for 1320 and gained 10%, the radio was bought for?

Choices

Choice (4) Response

a.

1200

b.

1790

c.

980

d.

850

Question number: 111

» Mental Ability » Basic Arithmetic

MCQ▾

Question

3 children and 9 men completed a certain piece of work in 12 days. Each children takes thrice the time taken by a man to finish the work. In how many days will 9 men finish the same work?

Choices

Choice (4) Response

a.

8

b.

13.3

c.

12.5

d.

15.6

Question number: 112

» Mental Ability » Basic Arithmetic

MCQ▾

Question

Two cubes have volumes in the ratio 1: 8. Then the ratio of their sides is

Choices

Choice (4) Response

a.

1: 8

b.

1: 18

c.

1: 2

d.

1: 4

Question number: 113

» Mental Ability » Basic Arithmetic

MCQ▾

Question

A man sold a radio for Rs. 1274 and gained 30%, the radio was bought for?

Choices

Choice (4) Response

a.

850

b.

1790

c.

1850

d.

980

Question number: 114

» Mental Ability » Basic Arithmetic

MCQ▾

Question

28 % of 450 is ________.

Choices

Choice (4) Response

a.

140

b.

112

c.

126

d.

125

Question number: 115

» Mental Ability » Basic Arithmetic

MCQ▾

Question

Human blood WBC’s are expressed in terms of number of red blood cells per cubic mm. Express 9.9 million blood cells per cubic mm terms of scientific notation.

Choices

Choice (4) Response

a.

99 Equation

b.

0.99 Equation

c.

0.99 Equation

d.

9.9 Equation

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