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A is half as old as B .   C is twice as old as B . How many times is C as old as A ?

Options

  1. A2
  2. B4
  3. C3
  4. D1

Correct answer

B. 4

Step-by-step solution

According to the question, A is half as old as B that means, 1 2 B = A ... ( 1 ) C is twice as old as B , C = 2 B ... ( 2 ) Compare eq. ( 1 ) and ( 2 ), we get 2 A = C 2 4 A = C Hence, C is 4 times older than A .

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