# Mental Ability-Basic Geometry (NCO- Cyber Olympiad Class 5): Questions 6 - 11 of 50

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## Question number: 6

» Mental Ability » Basic Geometry

MCQ▾

### Question

Which of the following are supplementary angles?

### Choices

Choice (4) Response

a.

40, 50

b.

100, 80

c.

180, 180

d.

50, 50

## Question number: 7

» Mental Ability » Basic Geometry

MCQ▾

### Question

The length of a rectangular surface is 6 cm. If the perimeter is 20 cm, what is the area of the surface?

### Choices

Choice (4) Response

a.

8

b.

24

c.

4

d.

20

## Question number: 8

» Mental Ability » Basic Geometry

MCQ▾

### Question

The length of a rectangular surface is 8 cm. If the perimeter is 20 cm, what is the area of the surface?

### Choices

Choice (4) Response

a.

1

b.

16

c.

54

d.

66

## Question number: 9

» Mental Ability » Basic Geometry

MCQ▾

### Question

∆ABC is similar to ∆PQR. Find the length of PR.

### Choices

Choice (4) Response

a.

16cm

b.

4cm

c.

14cm

d.

20cm

## Question number: 10

» Mental Ability » Basic Geometry

MCQ▾

### Question

If each side of square A is multiplied by 3 to create square B. how does the area of square B compared to square A?

### Choices

Choice (4) Response

a.

It is four times as large

b.

It is nine times as large

c.

It is three times as large

d.

It is twice as large

## Question number: 11

» Mental Ability » Basic Geometry

MCQ▾

### Question

The area of a square is 4 square centimetres. How long is one side?

### Choices

Choice (4) Response

a.

16

b.

2

c.

4

d.

Question does not provide sufficient data or is vague

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