A) 10yr
B) 20 yr
C) 5 yr
D) 30 yr
Correct Answer: D
Solution :
Let ages of Subhash, Prasad and Amar are 3x, 6x yr 7x yr, respectively. Now, \[7x-6x=10\Rightarrow x=10\] \[\therefore \]Required difference \[=6x-3x=3x\] \[=3\times 10=30\,\,yr\]You need to login to perform this action.
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