# Everyday Mathematics (IMO- Mathematics Olympiad (SOF) Class 8): Questions 46 - 52 of 100

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 1029 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 450.00 or

## Question number: 46

» Everyday Mathematics

MCQ▾

### Question

If students of a class of strength 90 are girls, then number of boys equals________.

### Choices

Choice (4) Response

a.

50

b.

30

c.

40

d.

10

## Question number: 47

» Everyday Mathematics

MCQ▾

### Question

Vimal is traveling at an average rate of 40 miles per hour. How far does he travel in 1 hours?

### Choices

Choice (4) Response

a.

60 miles

b.

100 miles

c.

50 miles

d.

20 miles

## Question number: 48

» Everyday Mathematics

MCQ▾

### Question

The average age of 4 boys is 25 years and their ages are in proportion 1: 2: 3: 4, the age of youngest girl is________.

### Choices

Choice (4) Response

a.

4 years

b.

5 years

c.

10 years

d.

9 years

## Question number: 49

» Everyday Mathematics

MCQ▾

### Question

Two pens and three pencils cost Rs. 80. Four pens and a pencils cost Rs. 112. Find the cost of the pen.

### Choices

Choice (4) Response

a.

11

b.

25

c.

30

d.

35

## Question number: 50

» Everyday Mathematics

MCQ▾

### Question

The total area of a semicircle and a rectangle is equal to 177 sq. cm. The diameter of the circle is 14 cm and the length of the rectangle is 20 cm. The perimeter of a rectangle is________.

### Choices

Choice (4) Response

a.

40 cm

b.

60 cm

c.

55 cm

d.

50 cm

## Question number: 51

» Everyday Mathematics

MCQ▾

### Question

The average age of 3 girls is 15 years and their ages are in proportion 3: 5: 7, the age of youngest girl is________.

### Choices

Choice (4) Response

a.

4 years

b.

9 years

c.

5 years

d.

10 years

## Question number: 52

» Everyday Mathematics

MCQ▾

### Question

Out of a number of electronics item. Ram purchases 60 % washing machines 2 % of these are found to be defective. The percentage of defective washing machine in all is________.

### Choices

Choice (4) Response

a.

1.2%

b.

3.5%

c.

5.5%

d.

4.0%

f Page