UPSC Civil Services 2023 Prelims General Studies Paper II
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Question : 14 of 80
Marks:
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Three of the five positive integers p, q, r, s, t are even and two of them are odd (not necessarily in order). Consider the following :
1. p + q + r - s - t is definitely even.
2. 2p + q + 2r - 2s + t is definitely odd.
Which of the above statements is/are correct?
1. p + q + r - s - t is definitely even.
2. 2p + q + 2r - 2s + t is definitely odd.
Which of the above statements is/are correct?
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