# Mental Ability-Basic Arithmetic (NCO- Cyber Olympiad (SOF) Class 7): Questions 101 - 107 of 122

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 416 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 300.00 or

## Question number: 101

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

Two poles 30 m and 15 m high stand upright in a ground. If their feet are 36 m apart, find the distance between tops.

### Choices

Choice (4) Response

a.

30 m

b.

39 m

c.

35 m

d.

25 m

## Question number: 102

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

A boat covers a certain distance downstream in 2 hour, while it comes back in 1 hours. If the speed of the stream be 5 kmph, what is the speed of the boat in still water?

### Choices

Choice (4) Response

a.

25 kmps

b.

35 kmps

c.

12 kmps

d.

11 kmps

## Question number: 103

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

The average age of 15 children in a class is 7 years. If the teacher’s age is included, the average age becomes 10 years. Find the teacher’s age.

### Choices

Choice (4) Response

a.

55

b.

42

c.

35

d.

45

## Question number: 104

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

. If = 0.008, then will be ________

### Choices

Choice (4) Response

a.

0.125

b.

1

c.

0.0625

d.

0.20

## Question number: 105

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

A shopkeeper declares a sale of electronics item, giving 15 % discount. If the net sale price of an electronic item is rupees 5000, what is its market price?

### Choices

Choice (4) Response

a.

550 Rs.

b.

952 Rs.

c.

5882.35 Rs.

d.

500 Rs.

## Question number: 106

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

If the area of a triangle with base x is equal to the area of a square with side x, then the altitude of the triangle is.

### Choices

Choice (4) Response

a.

3x

b.

x

c.

d.

2x

## Question number: 107

» Mental Ability » Basic Arithmetic

MCQ▾

The value of is

### Choices

Choice (4) Response

a.

1.466

b.

2.30

c.

1.00

d.

4.55

f Page