UPSC Civil Services 2019 Prelims General Studies Paper II

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Question : 31 of 80
 
Marks: +1, -0
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?
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