# Everyday Mathematics (IMO- Mathematics Olympiad (SOF) Class 10): Questions 42 - 47 of 67

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## Question number: 42

» Everyday Mathematics

MCQ▾

### Question

Dharma got married 5 years ago. Today her age is times her age at the time of marriage. Her son’s age is times her age. Her son’s age is ________

### Choices

Choice (4) Response

a.

12 years

b.

10 years

c.

13 years

d.

15 years

## Question number: 43

» Everyday Mathematics

MCQ▾

### Question

One fourth of a head of cows is in the forest. Twice the square root of the head has gone to mountains, and of the remaining, 15 are on the bank of a river. The total number of cows is ________

### Choices

Choice (4) Response

a.

63

b.

100

c.

36

d.

6

## Question number: 44

» Everyday Mathematics

MCQ▾

### Question

P is thrice good a workman as Q and therefore is able to finish a job in 40 days less than Q. Working together they can do it in ________ days.

### Choices

Choice (4) Response

a.

15

b.

14

c.

10

d.

16

## Question number: 45

» Everyday Mathematics

MCQ▾

### Question

A girl calculates that the probability of her winning the first prize in a lottery is 0.15. If 8000 tickets are sold, how many tickets has she bought?

### Choices

Choice (4) Response

a.

1600

b.

1200

c.

1800

d.

1400

## Question number: 46

» Everyday Mathematics

MCQ▾

### Question

A man whose bowling average is 12.4 takes 5 wickets for 26 runs and thereby decreases his average by 0.4. The number of wickets, taken by him, before his last match, is ________

### Choices

Choice (4) Response

a.

78

b.

64

c.

85

d.

72

## Question number: 47

» Everyday Mathematics

MCQ▾

### Question

If compound interest on a certain sum for 2 years is Rs. 451 the simple interest will be ________

### Choices

Choice (4) Response

a.

325

b.

352

c.

440

d.

625

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