Everyday Mathematics (IMO Mathematics Olympiad Class 10): Questions 63  67 of 67
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Question number: 63
» Everyday Mathematics
Question
While selling a watch, a shopkeeper gives a discount of . If he gives a discount of , 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
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
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. 


b. 


c. 


d. 


Question number: 66
» Everyday Mathematics
Question
Walking at fivefourths 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
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 
