p and q invested in a business . the profit earned was divided in the ratio 4 : 5 . if p invested rs 52000 , the amount invested by q is
"let the amount invested by q = q 52000 : q = 4 : 5 ⇒ 52000 × 5 = 4 q ⇒ q = ( 52000 × 5 ) / 4 = 65000 answer is e ."
multiply(divide(52000, 4), 5)