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Question


If P is younger than S and elder than Q, find the ratio of number of candies with Q and S?


Options:
A .   5:2
B .   15:7
C .   3:1
D .   8:15
E .   both (a) and (b) 
Answer: Option B
:
B

Given that Q<P<S. This is possible only when the ages of Q,P & S are 4, 6 ,8 respectively.


From the conditions given initially


T=Q+S


Since
 R=25x|ST|
R=25×|SQS|
R=25×Q......(1)
S=13[Q+R]
S=13[Q+25Q]=13×[75Q]S=715×Q


From this the ratio Q:S= 15:7. 



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