Question

Rahul 10 years older than his brother Rohit after 5 years raju will be twice as old as Rohit find their present age​

Answer 1

Answer:

Let Rahul age be

′

x

′

Raju's age be y

Given y=x−5 −−−−−−−(i)

four years later Rahul will be twice as old as Raju

x+4=2(y+4)

Substitute (i)

∴x+4=2(x−5)+8

⇒x+4=2x−10+8

⇒x=6

∴ Rahul's age =6 years

Raju's age =(x−5)=6−5=1 year'