Everyday Mathematics (IMO Mathematics Olympiad (SOF) Class 9): Questions 67  71 of 99
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Question number: 67
» Everyday Mathematics
Question
If 36 men can do a certain piece of work in 25 days, then 15 men will do it in ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 68
» Everyday Mathematics
Question
Aparna cut a cake in two equal parts and one of these two pieces is again cut into equal parts. Each small parts is of 20 grams. If there are seven parts of the whole cake, what was the weight of the original cake?
Choices
Choice (4)  Response  

a.  140 grams 

b.  280 grams 

c.  240 grams 

d.  300 grams 

Question number: 69
» Everyday Mathematics
Question
A man purchased two clocks X and Y at a total cost Rs. 1000. He sells X at profit and Y at a loss of and gets the same selling price for both the clocks. What are the purchasing prices of X and Y respectively?
Choices
Choice (4)  Response  

a.  Rs. 125, Rs. 736.25 

b.  Rs. 385.95, Rs. 245.36 

c.  Rs. 263.16, Rs. 736.84 

d.  Rs. 266, Rs. 600 

Question number: 70
» Everyday Mathematics
Question
Kabir buys an article with discount on its marked price. He makes a profit of by selling it at Rs. 660. The marked price is ________
Choices
Choice (4)  Response  

a.  Rs. 800 

b.  Rs. 685 

c.  Rs. 700 

d.  Rs. 600 

Question number: 71
» Everyday Mathematics
Question
In a class, the number of boys is more than the number of girls by of the total strength. The ratio of boys to girls is ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  11: 14 
