Question

The ratio of two numbers is 12:13 . if each number is reduced by 20, the ratio becomes 2:3. find the square of second

Answer 1

Answer:

Assume,

1st number= 12x

2nd number=13x

by condition of problem,

(12x-20)/(13x-20)=2/3

value of x=2

(13*2)^2=676