Everyday Mathematics (IMO Mathematics Olympiad (SOF) Class 8): Questions 80  84 of 100
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Question number: 80
» Everyday Mathematics
Question
The present age of a father is 3 years more than three times the age of his son. Three years hence, father’s age will be 10 years more than twice the age of the soon. Find the present age of the father.
Choices
Choice (4)  Response  

a.  30 years 

b.  45 years 

c.  40 years 

d.  33 years 

Question number: 81
» Everyday Mathematics
Appeared in Year: 2012
Question
For a journey the cost of a child ticket is one third of the cost of an adult ticket. If the cost of the tickets for 4 adults and 5 children is Rs. 85, the cost of a child ticket is ________.
Choices
Choice (4)  Response  

a.  Rs. 20 

b.  Rs. 15 

c.  Rs. 10 

d.  Rs. 5 

Question number: 82
» Everyday Mathematics
Appeared in Year: 2012
Question
Nita walks from her house 160 meters north and from there 630 meters west to visit her friend. While coming back, she walked diagonally from her friend’s house, back to her home. What distance did she walk while returning?
Choices
Choice (4)  Response  

a.  650 meter 

b.  600 meter 

c.  450 

d.  500 meter 

Question number: 83
» Everyday Mathematics
Question
Out of a number of electronics items. Rohit purchases 80 % coloured T. V. s 5 % of these are found to be defective. The percentage of defective T. V. in all is________.
Choices
Choice (4)  Response  

a.  4% 

b.  5% 

c.  2% 

d.  3% 

Question number: 84
» Everyday Mathematics
Question
A 5.2 feet tall car standing next to an adult elephant casts a 30 feet shadow. If the adult elephant casts a shadow that is 65 feet long then how tall is it?
Choices
Choice (4)  Response  

a.  12 feet 

b.  11 feet 

c.  12.50 feet 

d.  11.26 feet 
