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Multiple Choice Questions

B is twice as old as A but twice younger than F C is half the age of A but twice the age of D Which ...........

Logical Reasoning (RBI) Puzzle Test

B is twice as old as A but twice younger than F. C is half the age of A but twice the age of D. Which two persons form the pair of oldest and youngest?

F and A

F and D

B and F

F and C

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Explanation:

Let A's age be x.
Then, B's age is 2x.
B is twice younger than F i.e. F is twice older than B. So, F's age is 4x.
C is half the age of A i.e. C's age is x/2. C is twice the age of D i.e D is half the age of C i.e. D's age is x/4.
So, the descending order of ages is F, B, A, C, D/
Clearly, F is the oldest and D is the youngest.

Hence, option 2 is the correct answer.

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