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There are six persons, A, B, C, D, E and F. They are born in different years.
There is a difference of 1 year between D and F.
F is the youngest.
Two persons are born between A and E.
B is older than C and A.
Who is the oldest?

  • A.A
  • B.B
  • C.E
  • D.C

Answer: C

E is the oldest. F is the youngest in position 6, and D differs from F by one year, so D is fifth. Two persons between A and E mean that they are at positions 1 and 4, since 2 and 5 or 3 and 6 are not possible with D at 5 and F at 6.

B is older than A, so A cannot be first. Then A is fourth and E is first. B and C fill the second and third places with B older than C. So E is the oldest, and A, B and C are not.

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