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UPSC Civil Services 2019 Prelims General Studies Paper II

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Question : 31

Total: 80

Consider two statements S1 and S2 followed by a question:
S1 : p and q both are prime numbers.
S2 : p + q is an odd integer.
Question : Is pq an odd integer?
Which one of the following is correct?

S1 alone is sufficient to answer the question
S2 alone is sufficient to answer the question
Both S1 and S2 taken together are not sufficient to answer the question
Both S1 and S2 are necessary to answer the question

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