Question 70
The ratio of the age of a father and his sonis 3 : 1. If the product of their ages is 432, then whatis the sum oftheir ages?
Solution
Let Age of the son = s
$$=$$> Age of the father = 3s
GIven Product of their ages = 432
$$=$$> 3s $$\times\ $$ s = 432
3$$s^2$$ = 432
$$s^2$$ = 144
s = 12
Sum of their Ages = s+3s
= 4s
= 4$$\times\ $$12
= 48 years
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