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How many brothers does Tarun have ? I. Tarun's father has three children. II. Tarun has two sisters.

If the data in statement I alone are sufficient to answer the question
If the data in statement II alone are sufficient answer the question
If the data either in I or II alone are sufficient to answer the question;
If the data in both the statements together are needed.

Correct Answer: If the data in both the statements together are needed.

Explanation:

From both the statements together, we find that Tarun's father has three children — Tarun and his two sisters This means that Tarun has no brother.

So, both I and II are needed.

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