Exams › JEE Main › Maths

For any natural number n, the product n(n + 1) is always

1. an even number
2. an odd number
3. a multiple of 3
4. a multiple of 4

Correct answer: an even number

Solution

The product n(n + 1) consists of two consecutive integers, one of which is always even, ensuring that the product is always even.

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