Question

bala is 11 years old.his father is 37 years old.in how many year's time will bala's Father be three time as old as bala​

Answer 1

$\underline {\blue { At \: present: }}$

$Age \: of \: Bala = 11 \:years$

$Age \: of \: Bala's \: father = 37\: years$

$\underline {\pink { After \: x \: years: }}$

$Age \: of \: Bala = (11+x) \:years$

$Age \: of \: Bala's \: father = (37+x)\: years$

/* According to the problem given */

$Age \:of \: father = 3 \times (age \:of \: Bala)$

$\implies 37 + x = 3( 11 + x )$

$\implies x - 3x = 33 - 37$

$\implies - 2x = - 4$

$\implies x = \frac{- 4}{-2}$

$\implies x = 2$

Therefore.,

$\green{ After \:2 \: years \: Bala's \: father \:be}$

$\green{ 3 \:times\: as \:old \:as \:Bala.}$

•••♪