If n and p are both odd numbers, which of the following must be an even number ?
- np + 2
- n + p
- n + p + 1
- np
Answer: n + p
Explanation: Let, n = 3, p = 5
np + 2 = 17
again, n + p = 8
If n and p are both odd numbers, which of the following must be an even number ?
Answer: n + p
Explanation: Let, n = 3, p = 5
np + 2 = 17
again, n + p = 8
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