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Question:

Each of these questions is followed by two statements. As the answer,
Mark (a), If the question can be answered with the help of statement I alone,
Mark (b), If the question can be answered with the help of statement II, alone,
Mark (c), If both, statement I and statement II are needed to answer the question, and
Mark (d), If the question cannot be answered even with the help of both the statements.

What are the ages of the three brothers?
I. The product of their ages is 21.
II. The sum of their ages is not divisible by 3.

Explanation:

From statement I, the ages could be either (1, 3, 7) or (1, 1, 21). Statement II doesn’t simplify this further as none of the above combinations when added is divisible
by 3.
Hence, the answer is (d).

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