1. Present ages of Seema and Naresh are in the respective ratio of 5:7. Five years hence the ratio of their ages become 3: 4 respectively. What is Naresh’s present age in years ?
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By: anil on 05 May 2019 01.32 am
Let their ages be s,n respectively, we have s/n=5/7, (S+5)/(n+5)=3/4, 4s+20=3n+15 but we have, s=5n/7 so, 20n/7+20=3n+15
Solving for n we have 35.
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Solving for n we have 35.