Question

The ratio of the present ages of two brothers is 3 : 2. 5 years back the ratio of their ages was 2 : 1. The ratio of their ages after 5 years will be

Answer 1

Answer:

4ঃ3

Step-by-step explanation:

$let \: their \: present \: age \: is \: 3x \: and \: 2x \\ so \: 5years \: back \: their \: age \: 3x - 5 \: and \: 2x -5 \\ \\ according \: to \: the \: question \\ \frac{3x - 5}{2x - 5} = \frac{2}{1 } \\ x = 5 \\ so \: their \: present \: age \: is \: 15 \: and \: 10 \\ after \: 5 \: years \: their \: age \: will \: be \: 20 \: and \: 15 \\ ratio \: 20 proportion15 = 4proportion3$