Everyday Mathematics (IMO Mathematics Olympiad (SOF) Class 9): Questions 29  34 of 99
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Question number: 29
» Everyday Mathematics
Question
A man rows downstream 40 50 km and upstream 20 30 km, taking 10 20 hours each time. The velocity of current is ________
Choices
Choice (4)  Response  

a.  3.5 km/hr 

b.  1.5 km/hr 

c.  2.5 km/hr 

d.  0.5 km/hr 

Question number: 30
» Everyday Mathematics
Question
A man purchases an electric heater whose printed price is Rs. 160. If he received two successive discounts of and , he p
Choices
Choice (4)  Response  

a.  Rs. 112 

b.  Rs. 115.20 

c.  Rs. 119.60 

d.  Rs. 129.60 

Question number: 31
» Everyday Mathematics
Question
The age of Sandhya’s father is 5 times of his age. If 6 years ago, father’s age was 8 times of the age of his son at that time. What is Sandhya’s father present age?
Choices
Choice (4)  Response  

a.  75 years 

b.  70 years 

c.  56 years 

d.  41 years 

Question number: 32
» Everyday Mathematics
Question
Ten people are planning to share equally the cost of a rental bike. If one person withdraws from the arrangement and the others share equally the entire rental of the bike, then the share of each of the remaining persons is increased by ________ of the original share.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  7 

Question number: 33
» Everyday Mathematics
Question
Pointing to Saniya, Radhika says, “I am the daughter of the only son of his grandfather. ” How Radhika is related to Saniya?
Choices
Choice (4)  Response  

a.  Daughter 

b.  Niece 

c.  Mother 

d.  Sister 

Question number: 34
» Everyday Mathematics
Question
If 1 is added to the denominator of a fraction, the fraction becomes. If 1 is added to the numerator, the fraction becomes 1, the fraction is ________.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

