MCQ
Mark the correct alternative in the following: What is the multiplicative identity element in the set of whole numbers?
- A$0$
- B$-1$
- ✓$1$
- DNone of these.
✓
Answer
Correct option: C.
$1$
A multiplicative identity is a number which when multiplied with any number, the number is unchanged.
For example: $1 \times 7 = 7, 1 \times 9 = 9, 1 \times 100 = 100$ etc.
Thus, $1$ is multiplicative identity in the set of whole numbers is $1$.
Hence, the correct option is $(c).$
For example: $1 \times 7 = 7, 1 \times 9 = 9, 1 \times 100 = 100$ etc.
Thus, $1$ is multiplicative identity in the set of whole numbers is $1$.
Hence, the correct option is $(c).$
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