Mental Ability (NCO- Cyber Olympiad (SOF) Class 6): Questions 138 - 144 of 394

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Question number: 138

» Mental Ability » Basic Geometry

MCQ▾

Question

In equivalent triangle ABC, D and E are the midpoints of AB and BC respectively. Which of the following is not true?

A triangle with two mid points in two sides

A Triangle With Two Mid Points in Two Sides

Find the wrong point from below given options about triangle

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 139

» Mental Ability » Basic Algebra

MCQ▾

Question

Given, the value of is ________.

Choices

Choice (4) Response

a.

15

b.

75

c.

2

d.

12

Question number: 140

» Mental Ability » Basic Arithmetic

MCQ▾

Question

By how much must 3 be increased so that it bears same ratio to 10 as 18 to 36?

Choices

Choice (4) Response

a.

1

b.

4

c.

2

d.

3

Question number: 141

» Mental Ability » Basic Arithmetic

MCQ▾

Question

Choices

Choice (4) Response

a.

2.7

b.

270

c.

0.27

d.

27

Question number: 142

» Mental Ability » Basic Arithmetic

MCQ▾

Question

The subtraction of two irrational numbers________.

Choices

Choice (4) Response

a.

May be rational in some cases and irrational in some other cases

b.

An integer

c.

Is always irrational

d.

Is always rational

Question number: 143

» Mental Ability » Basic Arithmetic

MCQ▾

Question

By how much must 27 be decreased so that it bears same ratio to 49 as 12 to 28?

Choices

Choice (4) Response

a.

3

b.

2

c.

6

d.

7

Question number: 144

» Mental Ability » Basic Geometry

MCQ▾

Question

In parallelogram ABCD, E and F are the midpoints of AB and CD respectively. Which of the following is not true?

A parallelogram has two middle points

A Parallelogram Has Two Middle Points

Find the wrong sentence about parallelogram and intersecting lines

Choices

Choice (4) Response

a.

b.

ED is not parallel to BF

c.

AF trisects BD

d.

CE trisects BD

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