Question

the ratio between the present ages of p and q is 3:4 respectively. if q present age is 20 year. what will be the ratio of the ages after 5 years?

Answer 1

let the ages be 3x and 4x so, 3x+4x=20then5x=20so, x=4

Answer 2

p : q
3 : 4

age of q = ratio of q
20. = 4R
5. =. 1R
then,
age of p= 3×5=15
age of q=20
After +5yr New ratio
p : q
15+5. : 20+5
20 : 25
(4:5) ans