# Mental Ability (NCO- Cyber Olympiad Class 5): Questions 8 - 13 of 257

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## Question number: 8

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

The smallest four digit number that can be formed using 3, 6, 2, and 0 is ________.

### Choices

Choice (4) Response

a.

2306

b.

2036

c.

0236

d.

3620

## Question number: 9

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

Rahul worked over the weekend

 Day Hours Saturday 10.5 Sunday 9

How many more hours did Rahul work on Saturday than on Sunday?

### Choices

Choice (4) Response

a.

2.5 hours

b.

4.5 hours

c.

1.5 hours

d.

3.5 hours

## Question number: 10

» Mental Ability » Basic Geometry

MCQ▾

### Question

Steps for construction:

1. Draw a line segment MN.

2. With M, N as centers and radius greater than half of MN. Draw four arcs to cut on either side of MN. Let the points of intersection be A and B.

3. Join AB to cut MN at O. Then AB is.

### Choices

Choice (4) Response

a.

Perpendicular bisector of a given line segment.

b.

Perpendicular at a point on the line.

c.

Perpendicular to a line from a point not on it.

d.

Angle bisector

## Question number: 11

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

Which of the following expression below is true?

### Choices

Choice (4) Response

a.

b.

c.

2 × (7 + 4) = 7 × (2 × 4)

d.

## Question number: 12

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

50 % of 150 are approximately ________.

### Choices

Choice (4) Response

a.

15

b.

70

c.

50

d.

75

## Question number: 13

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

30 % of 160 are approximately ________.

### Choices

Choice (4) Response

a.

48

b.

32

c.

59

d.

50

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