Everyday Mathematics (IMO- Mathematics Olympiad Class 10): Questions 63 - 67 of 67

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Question number: 63

» Everyday Mathematics

MCQ▾

Question

While selling a watch, a shopkeeper gives a discount of 5% . If he gives a discount of 7% , he earns Rs. 15 less as profit. The marked price of the watch is ________

Choices

Choice (4) Response

a.

Rs. 787.50

b.

Rs. 697.50

c.

Rs. 712.50

d.

Rs. 750

Question number: 64

» Everyday Mathematics

MCQ▾

Question

Suraj travels a certain distance at 3 km/hr and reaches 15 min. late. If he travels at 4 km/hr, he reaches 15 min. earlier. The distance he has to travel is ________

Choices

Choice (4) Response

a.

12 km

b.

7.2 km

c.

6 km

d.

4.5 km

Question number: 65

» Everyday Mathematics

MCQ▾

Question

If P and Q can do a work in 12 days, Q and R in 15 days, while R and P in 20 days, how long would P, Q and R alone take to do the work respectively?

Choices

Choice (4) Response

a.

20days,30days,60days

b.

60days,30days,20days

c.

30days,20days,60days

d.

20days,60days,30days

Question number: 66

» Everyday Mathematics

MCQ▾

Question

Walking at five-fourths of his usual speed a man covers a certain distance in five 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.

22 hours

b.

26 hours

c.

25 hours

d.

23 hours

Question number: 67

» Everyday Mathematics

MCQ▾

Question

A is thrice as good a workman as B and takes 10 days less to do a piece of work than B takes. B can do the work in ________

Choices

Choice (4) Response

a.

15 days

b.

30 days

c.

12 days

d.

20 days

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