Question 114
The average age of Ram and his two children is 17 years and the average age of Ram’s wife and the same children is 16 years. If the age of Ram is 33 years, the age of his wife is (in years):
Solution
let the present age of Ram , Ram's wife ,and his two children be R ,W,S1,S2 respectively
Average =$$\frac{SumofAges}{Number of Ages}$$
Given that average age of Ram and his childrens is =17 years
R+S1+S2= 17 × 3 = 51
Given R = 33 years .So, S2+S2 = 51-33 = 18 years
Now given that average age of Rams wife and two children = 16 years
So ,
W+S2+S1= 16×3=48
W= 48-18 =30 years
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