# Mental Ability-Basic Arithmetic (NCO- Cyber Olympiad (SOF) Class 7): Questions 55 - 61 of 122

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## Question number: 55

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

A train 600 meters long is running at a speed of If it crosses a tunnel in 1 minute, then the length of the tunnel (in meters) is.

### Choices

Choice (4) Response

a.

500

b.

130

c.

300

d.

360

## Question number: 56

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

A cistern can be filled by two tapes A and B in 5 hours and 8 hours respectively. How much time will the cistern be filled up completely?

### Choices

Choice (4) Response

a.

3.08 hours

b.

24 hours

c.

48 hours

d.

3.6 hours

## Question number: 57

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

8 children and 12 men completed a certain piece of work in 9 days. Each children takes twice the time taken by a man to finish the work. In how many days will 12 men finish the same work?

### Choices

Choice (4) Response

a.

9

b.

12

c.

8

d.

15

## Question number: 58

» Mental Ability » Basic Arithmetic

MCQ▾

The value of is

### Choices

Choice (4) Response

a.

2.30

b.

0.399

c.

1.20

d.

1.00

## Question number: 59

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

Find the value of in each of the following equations

### Choices

Choice (4) Response

a.

5.40

b.

3.60

c.

0.61

d.

1.62

## Question number: 60

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

Which of the following can be the exact multiple of 6?

### Choices

Choice (4) Response

a.

63

b.

7

c.

252

d.

28

## Question number: 61

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

The product of two numbers is . If one of the number is , find the other.

### Choices

Choice (4) Response

a.

b.

c.

d.

f Page