Examples 11 to 15

Parin Sir > Quantitative Aptitude (Maths) > Linear Equations > Examples 11 to 15
19
Jul
Examples 11 to 15

(11) A father is now five times as old as his son. Five years ago, he was nine times as old as his son. Find their present ages.

Soln. Let age of  the father  =  x  and that of  the son =  y

We are given that, x  =  5y         …

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