Answers

2015-06-27T13:45:09+05:30
Let their current ages be 5x and 7x
Ages 4 years hence=5x+4 and 7x+4.
Given:
 \frac{5x+4}{7x+4}= \frac{3}{4}
4(5x+4)=3(7x+4)
20x+16=21x+12
16-12=21x-20x
4=x
⇒Hari's present age=5*4=20 and Harry's present age=7*4=28.(years)
Ans:Hari's present age=20 and Harry's present age=28.(years)
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