How many students in a class play football ?
Statements:
1. Only boys play football.
2. There are forty boys and thirty girls in the class.

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 B Neither I nor II is sufficient
It is not mentioned whether all the boys or a proportion of them play football.

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