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How many children does M have ?

Statements:

1. H is the only daughter of X who is wife of M.

2. K and J are brothers of M.

  • A.1 alone is sufficient while II alone is not sufficient
  • B.2 alone is sufficient while I alone is not sufficient
  • C.Either 1 or 2 is sufficient
  • D.Neither 1 nor 2 is sufficient

Answer: D

Correct answer: Neither 1 nor 2 is sufficient

Statement 1 establishes that H is M’s only daughter, which leaves the number of sons entirely open. Statement 2 concerns M’s own brothers and says nothing about M’s children at all. Together they still give no count of the sons, so the question cannot be answered from either statement or from both.

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