The ratio of the present age of a father to that of his son his 5:3. Ten years hence the ratio would be 3:2. Find their present ages. ?
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HERE IS YOUR ANSWER
⇒ FATHER = 5X
⇒ SON = 3X
5X+10/ 3X + 10 = 3/2
⇒ THEN CROSS MULTIPLY THE NUMBERS
⇒(5X+10) *2 + (3X+10) *3
⇒ 10X +20 = 9X+ 30
⇒ 10X-9X = 30-20
⇒ X= 10
∴ AGE OF FATHER= 5X= 5*10= 50
AGE OF SON= 3X= 3*10= 30
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