The ages of A & B in the ratio 5:7. 8 years ago,their ages were in the ratio 7:13. Find their present ages.
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The ages of A and B are in the ratio 5:7. Eight years ago. their ages were in the ratio 7:13. Find their present ages.
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Let age of A and B be 5x and 7x respectively.
According to the question-
7x−8
5x−8
=
13
7
13(5x−8)=7(7x−8)
65x−104=49x−56
⇒65x−49x=104−56
⇒x=
16
48
=3
Therefore,
Present age of A=5×3=15 years
Present age of B=7×3=21 years
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