Everyday Mathematics (IMO- Mathematics Olympiad Class 10): Questions 58 - 62 of 67

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Question number: 58

» Everyday Mathematics

MCQ▾

Question

Walking at three-fourths of his usual speed a man covers a certain distance in two hours than the time he takes to cover the distance at his usual speed. The time taken by him to cover the distance with his usual speed is ________

Choices

Choice (4) Response

a.

4.5 hours

b.

6 hours

c.

5.5 hours

d.

5 hours

Question number: 59

» Everyday Mathematics

MCQ▾

Question

The ratio between the ages of Dipti and Cristal at present is 5:4 . Three years hence the ratio of their ages will be 11:9 . What is the present age of Cristal?

Choices

Choice (4) Response

a.

28 years

b.

27 years

c.

24 years

d.

26 years

Question number: 60

» Everyday Mathematics

MCQ▾

Question

Shivam buys a watch for Rs. 1, 60, 000. He pays half of the amount in cash and agrees to pay the balance in 12 annual instalments of Rs. 6000 each. If the rate of interest is 20% and he pays with the instalment the interest due on the unpaid amount, find the total cost of the watch.

Choices

Choice (4) Response

a.

6, 28, 000

b.

5, 27, 750

c.

8, 27, 000

d.

9, 84, 800

Question number: 61

» Everyday Mathematics

MCQ▾

Question

A train 200 meters long moving at a speed of 70 km/hr crosses a train 220 meters long coming from opposite direction in 10 seconds. The speed of second train is ________

Choices

Choice (4) Response

a.

60.7kmhr

b.

50.9kmhr

c.

81.2kmhr

d.

45.2kmhr

Question number: 62

» Everyday Mathematics

MCQ▾

Question

A dishonest dealer professes to sell his goods at cost price but he uses a false weight and thus gains 60031% . For a kg, he uses a weight of ________

Choices

Choice (4) Response

a.

760 gms

b.

750 gms

c.

860 gms

d.

660 gms

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