# Mental Ability-Basic Geometry (NCO- Cyber Olympiad Class 9): Questions 1 - 5 of 25

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## Question number: 1

» Mental Ability » Basic Geometry

MCQ▾

### Question

Three circles of radii 2 cm each touch each, other externally. Then the area of the triangle with vertices at centers of these circles is________.

### Choices

Choice (4) Response

a.

More than 6 but less than 7

b.

More than 7

c.

Less than 6

d.

All of the above

## Question number: 2

» Mental Ability » Basic Geometry

MCQ▾

### Question

How many circles can be drawn though two given points.

### Choices

Choice (4) Response

a.

1000 only

b.

10 only

c.

Infinity

d.

2 only

## Question number: 3

» Mental Ability » Basic Geometry

MCQ▾

### Question

Four circles of radii 4 cm each touch each, other externally. Then the area of the square with vertices at centers of these circles is________.

### Choices

Choice (4) Response

a.

More than but Less than

b.

Less than

c.

More than

d.

Equal to

## Question number: 4

» Mental Ability » Basic Geometry

MCQ▾

### Question

If the radius of a circle is doubled, then its area is ________.

### Choices

Choice (4) Response

a.

Not related to the area of the smaller circle

b.

4 times the area of the smaller circle

c.

Doubled

d.

None of the above

## Question number: 5

» Mental Ability » Basic Geometry

MCQ▾

### Question

Complete the missing portion of the given Figure A.

### Choices

Choice (4) Response

a.

b.

c.

d.

f Page