Question

Anil is twice as old as Sunita. Three years ago, he was three times as old as Sunita. The present age of Anil is (A) 6 years (B) 8 years (C) 12 years (D) 16 years

Answer 1

at present
age of sunitha = x years

anil's age =2x

3yrs ago

sunitha age = x-3

anil age = 2x-3

3yrs ago

anil's age = 3times sunitha age

2x-3=3(x-3)

2x-3= 3x-9

2x-3x =-9+3

-x=-6

x=6
present age of anil = 2x

=2*6= 12 years

Answer 2

Let the present age Sunita be.......x
And the present age of Anil be......y

ATQ...

1..... 2X=Y


2....... Y-3=3(x-3)
Y-3=3x-9
Y-3x=-6

Substitution of y=2x
So,

2x-3x=-6
-x=-6
X=6

Sunita age is 6 years
And Anil age is 2x= 2*6=12 years......