Everyday Mathematics (IMO Mathematics Olympiad (SOF) Class 9): Questions 51  56 of 99
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Question number: 51
» Everyday Mathematics
Question
The simple interest of for x years will be Rs. X on a sum of ________
Choices
Choice (4)  Response  

a.  Rs. 100 x 

b.  Rs. x 

c.  Rs. 

d.  Rs. 

Question number: 52
» 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. 


Question number: 53
» Everyday Mathematics
Question
Simple interest on a certain sum of money for 3 years at per annum is half the compound interest on Rs. 4000 for 2 years at per annum. The sum placed on simple interest is ________
Choices
Choice (4)  Response  

a.  Rs. 1850 

b.  Rs. 1750 

c.  Rs. 1650 

d.  Rs. 1950 

Question number: 54
» Everyday Mathematics
Question
In a km. race A beats B by 35 metres or 7 seconds. Then A’s time over the course is ________.
Choices
Choice (4)  Response  

a.  3 minutes 19.3 seconds 

b.  3 minutes 20 seconds 

c.  3 minutes 7 seconds 

d.  3 minutes 13 seconds 

Question number: 55
» Everyday Mathematics
Question
Smarat purchased 100 reams of papers at Rs. 50 per ream. He spent Rs. 300 on transportation, paid octroi at the rate of 20 paise per ream and paid Rs. 80 to the coolie. If he wants to have a gain of , what must be the selling price per ream?
Choices
Choice (4)  Response  

a.  Rs. 90.6 

b.  Rs. 59.4 

c.  Rs. 64.5 

d.  Rs. 89.4 

Question number: 56
» Everyday Mathematics
Question
The product of the ages of Mihir and Niyati is 240. If twice the age of Niyati is more than Mihir’s age by 4 years what is Niyati’s age in years?
Choices
Choice (4)  Response  

a.  14 years 

b.  10 years 

c.  12 years 

d.  20 years 
