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Five children were administered psychological tests to know their intellectual levels. In the report, psychologists pointed out that the child A is less intelligent than the child B. The child C is less intelligent than the child D. The child B is less intelligent than the child C and child A is more intelligent then the child E. Which child is the most intelligent ?

  • A.A
  • B.B
  • C.D
  • D.E

Answer: C

Correct answer: D

Read each comparison as a link in one chain. A is less than B, B is less than C, and C is less than D, giving \( A < B < C < D \). The clue that A is more intelligent than E places E at the bottom, so the full order is \( E < A < B < C < D \) and D is the most intelligent.

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