Question
The average age of R, S, T and U is 32 years and the
average age of R and S is also 32 years. If U is 4 years older than T, then determine the age of T.Solution
ATQ,
Sum of the ages of R, S, T and U = 32 × 4 = 128 years
Sum of the ages of R and S = 32 × 2 = 64 years
Sum of the ages of T and U = 128 – 64 = 64 years
Let the age of T be ‘x’ years
So, age of U = (x + 4) years
Then, x + x + 4 = 64
2x = 60
x = 30
So, the age of T is 30 years.
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