Question

The ratio between two numbers is $3:5$. If each number is increased by $4$ , the ratio becomes $2:3$. Find the numbers.

• A. $12,20$
• B. $18,30$
• C. $24,40$
• D. $15,25$

Answer 1

Answer: (A)

$12,20$

Let the numbers be 3x, 5x
$\frac{3x+4}{5x+4}=\frac{2}{3}$
$9x+12=10x+8$
$x=4$
$\therefore$ the number are 3 x 4 , 5 x 4
$=12,20$