Question

Ramesh is thrice as old as Suresh . Two years hence, Ramesh will be twice as old as Suresh. Find Ramesh'spresent age.

Answer 1

Let Suresh's age be x

Ramesh's age = 3x

Express their age 2 years later in term of x:

Suresh's age = x + 2

Ramesh's age = 3x + 2

Solve x:

Ramesh will be twice as old as Suresh;

3x + 2 = 2(x + 2)

3x + 2 = 2x + 4

x = 2

Find their age:

Suresh's age = x = 2 years old

Ramesh's age = 3x = 3(2) = 6 years old

Answer: Suresh will be 2 years old and Ramesh will be 6 years old.

Answer 2

Given : Ramesh is thrice as old as suresh.

After five years he will be twice as old as suresh.  

To Find : the present ages

Solution:

Let say suresh Present age = N Years

Then Ramesh Present age = 3N  years

suresh Age after 2 years = N + 2years

Ramesh age after 5 years = 3N + 2  Years

Ramesh will be twice as old as naresh.

=> 3N + 2 = 2(N + 2)

=> 3N + 2 = 2N + 4

=> N = 2

suresh Present age = 2 Years

Ramesh Present age = 3(2) = 6  years

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