Discussion
A is two years older than B who is twice as old as C. If the total of the ages of A, B and C be 27, the how old is B?
Answer: D
Let C's age be \(x\) years. Then, B's age = \(2x\) years. A's age \(=(2x+2)\) years.
\(\therefore (2x + 2) + 2x + x = 27\)
\(\Rightarrow 5x = 25\)
\(\Rightarrow x=5\)
Hence, B's age \(=2x=10\) years.
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