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For any whole number $n$ , the number $2 n + 1$ is always:

Class 8Parity, Remainders and Digital RootsNumber System

Aprime
Bodd
Ceven
Da multiple of 3

Step-by-Step Solution

2 n

is always even, and adding 1 makes it odd. That is why odd numbers are written as

2 n + 1

.

Answer: B) odd

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