Question

Find two numbers if their difference is 16 and their ratio is 5:7.

Answer 1

let common ratio be x
hence numbers are 5x and 7x
now
7x-5x=16
2x=16
x=8
hence nos are 5x=40
7x=56

Answer 2

let first number=5A,

second number=7A,


then according to the question, we have

7A-5A=16,

2A=16,

A=8,


therefore

first number=5×8=40,

second number=7×8=56