Ratio and Proportion (IMO Mathematics Olympiad (SOF) Class 6): Questions 35  39 of 80
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Question number: 35
» Ratio and Proportion
Question
Divide into three parts such that 7 times the first part, 5 times the second part and 2 times the third part are equal.
Choices
Choice (4)  Response  

a.  50, 70, 175 

b.  45, 70, 125 

c.  70, 50, 225 

d.  50, 75, 150 

Question number: 36
» Ratio and Proportion
Question
The ratio of father’s age to that of his son is equal to the ratio of the mother’s age to that of her daughter. If the ages of mother, son and daughter be 48, 24 and 18 years respectively, then the age of the father is
Choices
Choice (4)  Response  

a.  64 years 

b.  60 years 

c.  54 years 

d.  50 years 

Question number: 37
» Ratio and Proportion
Question
The ratio of child’s weight to that of his father’s weight is equal to the ratio of the child’s brother’s weight to that of his mother’s weight. If the weight of child, his brother and father be 12, 16 and 72 kg respectively, then the weight of the mother is
Choices
Choice (4)  Response  

a.  96 kg 

b.  84 kg 

c.  94 kg 

d.  78 kg 

Question number: 38
» Ratio and Proportion
Question
A bus travels at speed of for 2 hours and a train travels at speed of for 4 hours. The ratio of their distances is
Choices
Choice (4)  Response  

a.  6: 5 

b.  2: 6 

c.  25: 6 

d.  6: 25 

Question number: 39
» Ratio and Proportion
Question
A sum of Rs. 1300 is divided among A, B, C and D such that . Then, A’s share is
Choices
Choice (4)  Response  

a.  Rs. 240 

b.  Rs. 160 

c.  Rs. 320 

d.  Rs. 140 
