Question

The sum of ages of Anu’s father and Jerry’s father is 100years. Anu’s father is four years older to Jerry’s father. Two years later Jerry’s father will be_______ years old.

Answer 1

Anu's father = x / y+4
jerry father = y
together they are 100
so y+y+4=100
y+y=100-4
=y+y=96
2y=96
y=96÷2
=y=48

Answer 2

let at present
age of anu father = x yrs
age of jerry father =(100-x) years
given
anu father is 4 yrs older than j father
x-(100-x)=4
2x-100=4
2x=100+4
2x=104
x=104/2
x=52
at present
anu father age=x=52 yrs
j father age=100-x=48 years
2years later j father age=48+2=50 years