Answers

2014-12-03T21:24:32+05:30
let the common factor be x
Sazid' s age is=7x and Ahmad's age is= 5x
After 10 years Sazid's age 7x+10 and Ahmad's age 5x+10
Asper question (7x+10)/(5x+10)=9/7
                     ⇒ 49x+70=45x+90
                     ⇒ 4x20
                     ⇒ x=5
Sazid's age is 7x= 35 and Ahmad's age is 5x=25
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