Question

After 15 year sheelas age will becomes four times that of her present age find her present age

Answer 1

present age=x
15 years= x+15
x+15=4x
3x=15
x =5 is answer

Answer 2

Let the present age be x

After 15 years, which is 15+ x, she will become 4 tines that of her present age.

15+x= 4x

15= 4x-x

15= 3x

x= 5

Sheela is 5 years old at present.