Question

The product of the two consecutive odd numbers is equals to which of the following?

• A. Sum of the numbers
• B. Square of the number between them plus one
• C. Square of the number between them minus one
• D. Difference between the numbers

Answer 1

The correct option is C Square of the number between them minus one

(n-1), n, (n+1) are three consecutive natural numbers. Here, (n-1) and (n+1) are consecutive odd numbers. Then,
$(n-1)(n+1)=n^2-1$