Among the five friends A,B,C,D,E ,who is the tallest ?
I. D is taller than A and C.
II. B is shorter than E but taller than D.

If the data in statement I alone are sufficient to answer the question

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If the data in statement II alone are sufficient answer the question

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If the data either in I or II alone are sufficient to answer the question;

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If the data in both the statements together are needed.

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Solution

The correct option is B If the data in both the statements together are needed.
From I, we have : D > A , D> C,
From II, we have : E >B > D.
Combining the above two, we get : E > B> D> (A and C).
So, E is the tallest. Clearly, both the statements are needed to answer the question
option D

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Among the five friends A,B,C,D,E ,who is the tallest ?I. D is taller than A and C.II. B is shorter than E but taller than D.

The correct option is B If the data in both the statements together are needed.From I, we have : D > A , D> C, From II, we have : E >B > D. Combining the above two, we get : E > B> D> (A and C). So, E is the tallest. Clearly, both the statements are needed to answer the questionoption D

Among the five friends A,B,C,D,E ,who is the tallest ?
I. D is taller than A and C.
II. B is shorter than E but taller than D.

The correct option is B If the data in both the statements together are needed.
From I, we have : D > A , D> C,
From II, we have : E >B > D.
Combining the above two, we get : E > B> D> (A and C).
So, E is the tallest. Clearly, both the statements are needed to answer the question
option D