Everyday Mathematics (IMO Mathematics Olympiad Class 9): Questions 21  26 of 99
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Question number: 21
» Everyday Mathematics
Question
Hussain’s weight is times more than the weight of Rahim. Their total weight is 90 kg. what is Hussain’s weight?
Choices
Choice (4)  Response  

a.  90 kg 

b.  20 kg 

c.  40 kg 

d.  50 kg 

Question number: 22
» Everyday Mathematics
Question
The difference between a discount of on Rs. 1000 and two successive discounts of on the same amount is ________
Choices
Choice (4)  Response  

a.  Rs. 14.56 

b.  Rs. 18.40 

c.  Rs. 22 

d.  Rs. 17.20 

Question number: 23
» Everyday Mathematics
Question
A man purchases an blander whose printed price is Rs. 2200. If he received two successive discounts of and , he paid________
Choices
Choice (4)  Response  

a.  Rs. 1121 

b.  Rs. 1132 

c.  Rs. 1221 

d.  Rs. 1232 

Question number: 24
» Everyday Mathematics
Question
A and B started a business with initial investments in the ratio and their annual profits were in the ratio . If A invested the money for 10 months, for how many months did B invest his money?
Choices
Choice (4)  Response  

a.  6 

b.  8 

c.  9 

d.  7 

Question number: 25
» Everyday Mathematics
Question
P and Q started a business with initial investments in the ratio and their annual profits were in the ratio . If P invested the money for 20 months, for how many months did Q invest his money?
Choices
Choice (4)  Response  

a.  17 

b.  18 

c.  19 

d.  10 

Question number: 26
» Everyday Mathematics
Question
A man walked diagonally across a square plot. Approximately, what was the percent saved by not walking along the edges?
Choices
Choice (4)  Response  

a.  33 

b.  24 

c.  20 

d.  30 
