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Quantitative Aptitude

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Question

In these questions, there are two statements followed by two conclusions A and B. You have to take the statements to be true even if they seem to be at variance from commonly know facts and then decide which of the conclusions logically follows.

Statements
All boys are girls.
No girl is a father.

Conclusions
A. Some girls are boys.
B. Some boys are girls.

A

Only A follows

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B

Only B follows

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C

Both A and B follow

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D

Neither A nor B follow

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Solution

The correct option is C Both A and B follow
I. All boys are girls. [A-type]
II. No girl is a father. [E-type]
$A + E \Rightarrow E$ type
Conclusion: No boy is a father.
This conclusion is not given.
Conclusion of statement I: Some girls are boys. This conclusion follows in A.
Also, some boys are girls, follows B.

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