Question 16

Three persons have their ages in the ratio 4 : 7 : 9. Eight years back their total age was 56.How old is the eldest now?

Solution

Let say, their present age is 4k,7k and 9k.

So, according to question:

(4k-8)+(7k-8)+(9k-8)=56.

or, 20k=56+24=80.

So,k=4.

So, present age of eldest is =9k=9×4=36.

A is correct choice.

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