Everyday Mathematics (IMO- Mathematics Olympiad Class 9): Questions 27 - 32 of 99

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Question number: 27

» Everyday Mathematics

MCQ▾

Question

The area of a rectangle is 500 square meters. If the length is 25% more than the breadth, what is the breadth of the rectangular field?

Choices

Choice (4) Response
a.

20 m

b.

60 m

c.

30 m

d.

40 m

Question number: 28

» Everyday Mathematics

MCQ▾

Question

In a km. race A beats B by 50 metres or 5 seconds. Then A’s time over the course is ________

Choices

Choice (4) Response
a.

2 minutes 20 seconds

b.

1 minutes 35 seconds

c.

3 minutes 17 seconds

d.

2 minutes 35 seconds

Question number: 29

» Everyday Mathematics

MCQ▾

Question

A man rows downstream 40 50 km and upstream 20 30 km, taking 10 20 hours each time. The velocity of current is ________

Choices

Choice (4) Response
a.

3.5 km/hr

b.

1.5 km/hr

c.

2.5 km/hr

d.

0.5 km/hr

Question number: 30

» Everyday Mathematics

MCQ▾

Question

A man purchases an electric heater whose printed price is Rs. 160. If he received two successive discounts of 20% and 10% , he p

Choices

Choice (4) Response
a.

Rs. 112

b.

Rs. 115.20

c.

Rs. 119.60

d.

Rs. 129.60

Question number: 31

» Everyday Mathematics

MCQ▾

Question

The age of Sandhya’s father is 5 times of his age. If 6 years ago, father’s age was 8 times of the age of his son at that time. What is Sandhya’s father present age?

Choices

Choice (4) Response
a.

75 years

b.

70 years

c.

56 years

d.

41 years

Question number: 32

» Everyday Mathematics

MCQ▾

Question

Ten people are planning to share equally the cost of a rental bike. If one person withdraws from the arrangement and the others share equally the entire rental of the bike, then the share of each of the remaining persons is increased by ________ of the original share.

Choices

Choice (4) Response
a.

19

b.

109

c.

57

d.

7

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