Question

A's age is five times as that of B. Ten years later, A's age will be thrice that of B, find A's age.​

Answer 1

Answer:

Let A's age be x ans b's age as y

Given that

x=3y ……………(1)

Age of B after 5 years will be y+5

Given

y+5=15

y=10

So taking equation (1) we get

x=3×10

x=30

Age of A is 30 and age of y is 10

Answer 2

Answer:

So

Let A's age be x ans b's age as y

Given that

x=3y ……………(1)

Age of B after 5 years will be y+5

Given

y+5=15

y=10

So taking equation (1) we get

x=3×10

x=30

Age of A is 30 and age of y is 10

Hope this helps you☺