# Mental Ability-Basic Arithmetic (NCO- Cyber Olympiad (SOF) Class 7): Questions 69 - 76 of 122

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## Question number: 69

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

Find the value of from the equation

### Choices

Choice (4) Response

a.

15.5

b.

12

c.

13.3

d.

14

## Question number: 70

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

A shopkeeper declares a sale of computer books, giving 25 % discount. If the net sale price of a book is rupees 714, what is its market price?

### Choices

Choice (4) Response

a.

500 Rs

b.

550 Rs

c.

952 Rs

d.

1008 Rs

## Question number: 71

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

The present ages of three persons in proportions 3: 6: 9. Eight years ago, the sum of their ages was 66. Find their present ages (in years).

### Choices

Choice (4) Response

a.

16,28,26

b.

8,20,28

c.

15,30,45

d.

None of the above

## Question number: 72

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

A shopkeeper declares a sale of sarees, giving 20 % discount. If the net sale price of a saree is rupees 1000, what is its market price?

### Choices

Choice (4) Response

a.

500 Rs.

b.

952 Rs

c.

550 Rs.

d.

1120 Rs

## Question number: 73

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

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

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 74

» Mental Ability » Basic Arithmetic

MCQ▾

The value of is

### Choices

Choice (4) Response

a.

60

b.

40

c.

20

d.

30

## Question number: 75

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

Which is lowest in

### Choices

Choice (4) Response

a.

b.

0.9

c.

d.

All of the above

## Question number: 76

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

If the area of a triangle with base z is equal to the volume of a cube with edge z, then the altitude of the triangle is

### Choices

Choice (4) Response

a.

z

b.

3z

c.

d.

f Page