Question

the age of the father is twice the sum of the age of his two children after 12 years his age will be equal to the sum of age of his children find the age of father​

Answer 1

Let the fathers age be x yrs

the sum of ages of 2 children be (a+b)yrs

acc to 1st condition

x=2(a+b)=2a+2b.....(1)

acc to 2nd condition

x+20=a+20+b+20

x+20=a+b+40

x=a+b+20.....(2)

equating (1) & (2)

a+b=20

sub this in(1)

x=40

therefore the fathers age is 40 yrs.

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