grandfathers age is 4 times Abdul's age. ten years ago his age was 7 times Abdul's age. find their present ages.
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let the present age of Abdul be =x
let the grandfather's age be =4x
ten years ago
Abdul age=x-10
grandfather's age=4x-10
A/Q
4X-10=7(X-10)
4X-10=7X-70
-10+7O=7X-4X
60=3X
=X=60/3
=X=20
ABDUL AGE=20YEARS
GRANDFATHER'S AGE=4X=4×20=80YEARS
let the grandfather's age be =4x
ten years ago
Abdul age=x-10
grandfather's age=4x-10
A/Q
4X-10=7(X-10)
4X-10=7X-70
-10+7O=7X-4X
60=3X
=X=60/3
=X=20
ABDUL AGE=20YEARS
GRANDFATHER'S AGE=4X=4×20=80YEARS
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1
80 years is answer
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