Everyday Mathematics (IMO Mathematics Olympiad Class 10): Questions 16  20 of 67
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Question number: 16
» Everyday Mathematics
Question
The Gurgaon office of Microsoft has 1500 executives. Of these 900 subscribe to the Hindustan Times and 750 subscribe to the Hindu. 150 subscribe to both Hindustan Times and the Hindu. If an executive is picked at random, what is the probability that he has subscribed to Hindustan Times?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 17
» Everyday Mathematics
Question
The difference in C. I and S. I for 2 years on a sum of money is Rs. 160. If the S. I for 2 years be Rs. 2880, the rate percent is ________
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 18
» Everyday Mathematics
Question
While selling a watch, a shopkeeper gives a discount of . If he gives a discount of , he earns Rs. 30 less as profit. The marked price of the watch is ________
Choices
Choice (4)  Response  

a.  Rs. 1500  
b.  Rs. 1750  
c.  Rs. 1600  
d.  Rs. 1480 
Question number: 19
» Everyday Mathematics
Question
A man whose bowling average is 18.2 takes 4 wickets for 46 runs and thereby decreases his average by 0.2. The number of wickets, taken by him, before his last match, is ________
Choices
Choice (4)  Response  

a.  110  
b.  130  
c.  115  
d.  140 
Question number: 20
» Everyday Mathematics
Question
Sudhir buys a watch for Rs. . He pays half of the amount in cash and agrees to pay the balance in 12 annual instalments of Rs. 10, 000 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.  4, 25, 000  
b.  6, 85, 000  
c.  9, 25, 000  
d.  3, 82, 000 