Mental Ability-Basic Arithmetic (NCO- Cyber Olympiad Class 7): Questions 106 - 112 of 122

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Question number: 106

» Mental Ability » Basic Arithmetic

MCQ▾

Question

If the area of a triangle with base x is equal to the area of a square with side x, then the altitude of the triangle is.

Choices

Choice (4) Response

a.

3x

b.

x

c.

x2

d.

2x

Question number: 107

» Mental Ability » Basic Arithmetic

MCQ▾

Question

The value of (0.333×0.333+4×0.521×0.521+0.521×0.521) is

Choices

Choice (4) Response

a.

1.466

b.

2.30

c.

1.00

d.

4.55

Question number: 108

» Mental Ability » Basic Arithmetic

MCQ▾

Question

In an election, two candidates contested. A candidate secured 40 % of the valid votes and is elected by a majority of 200 votes. Find the total number of valid votes.

Choices

Choice (4) Response

a.

700

b.

1000

c.

880

d.

450

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

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