Everyday Mathematics (IMO Mathematics Olympiad Class 9): Questions 17  20 of 99
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Question number: 17
» Everyday Mathematics
Question
Ram is the brother of Shyam and Mahesh is father of Ram. Jagat is the brother of Priya and Priya is daughter of Shyam. Who is the uncle of Jagat?
Choices
Choice (4)  Response  

a.  Shyam 

b.  Ram 

c.  Mahesh 

d.  None of the above 

Question number: 18
» Everyday Mathematics
Question
P and Q can do a piece of work in 15 days and Q alone can do it in 30 days. The time taken by P alone to do the work is ________
Choices
Choice (4)  Response  

a.  35 days 

b.  12 days 

c.  40 days 

d.  30 days 

Question number: 19
» Everyday Mathematics
Question
In Arun’s opinion, his weight is greater than 65 kg but less than 72 kg. His brother does not agree with Arun and he thinks that Arun’s weight is greater than 60 kg but less than 70 kg. His mother’s view is that his weight cannot be greater than 68 kg. If all of them are correct in their estimations, what is the average of different probable weights of Arun?
Choices
Choice (4)  Response  

a.  68 kg 

b.  67 kg 

c.  69 kg 

d.  Question does not provide sufficient data or is vague 

Question number: 20
» Everyday Mathematics
Question
A, B and C enter into partnership by making investments in the ratio . After a year, C invests another Rs. 337600 while A withdrew Rs. 45600. The ratio of investments then changes to . How much did A invest initially?
Choices
Choice (4)  Response  

a.  Rs. 96000 

b.  Rs. 141600 

c.  Rs. 45600 

d.  Question does not provide sufficient data or is vague 
