1.

AFTER 12 YEAR MANOJ WILL BE 3TIMES AS OLD AS HE WAS 4 YEAR AGO FIND THE PRESENT AGE

Answer» LET Manoj's present age be 'x' YEARS
ATQ-
(x-4)×3=x+12 (Manoj's age 4 years ago=x-4)
=3x-12=x+12
=3x-x=12+12
=2x=24
x=24/2
x=12 years


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