Everyday Mathematics (IMO Mathematics Olympiad (SOF) Class 10): Questions 59  63 of 67
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Question number: 59
» Everyday Mathematics
Question
The ratio between the ages of Dipti and Cristal at present is. Three years hence the ratio of their ages will be. 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
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 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
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. 


b. 


c. 


d. 


Question number: 62
» Everyday Mathematics
Question
A dishonest dealer professes to sell his goods at cost price but he uses a false weight and thus gains. For a kg, he uses a weight of ________
Choices
Choice (4)  Response  

a.  760 gms 

b.  750 gms 

c.  860 gms 

d.  660 gms 

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 
