# Mental Ability (NCO- Cyber Olympiad Class 7): Questions 108 - 114 of 205

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## Question number: 108

» Mental Ability » Number Games

MCQ▾

### Question

The product of two numbers is 100 and the sum of their squares is 250. The sum of the number is________.

### Choices

Choice (4) Response

a.

23

b.

21.21

c.

169

d.

All of the above

## Question number: 109

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

Which of the following can be the exact multiple of 3?

### Choices

Choice (4) Response

a.

28

b.

17

c.

63

d.

13

## Question number: 110

» 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: 111

» 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: 112

» 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: 113

» 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: 114

» 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.

f Page