Question

2. The age of father is equal to sum of ages of his 4 children. After 30 years, sum of the ages of the children will be twice the age of the father. Find the age of the father. [CBSE 2013]

Answer 1

Answer:

Age of father is 60

Step-by-step explanation:

Let age of father be X

X=S1+S2+S3+S4 --->1

After 30years

2(30+X)=(S1+S2+S3+S4+(30*4))

Given in first equation that sum of ages of four children equals father by applying this in the second equation we get

2(30+X)=(X+120)

X=60

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