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.

I alone is sufficient while II alone is not sufficient

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II alone is sufficient while I alone is not sufficient

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Either I or II is sufficient

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Neither I nor II is sufficient

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Both I and II are sufficient

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Solution

The correct option is C Neither I nor II is sufficient
From I, we conclude that H is the only daughter of M. But this does not indicate that M has no son. The information given in II is immaterial.

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