Question

* If n is any odd number greater than 1, then n (n * n - 1) is

a. divisible by 48 always
b. divisible by 24 always
c. divisible by 60 always
d. None of these

Answer 1

Answer:

answer is B

Step-by-step explanation:

if you use trial and error method you will see that:

3(3*3-1)=24 which is divisible by 24

5(5*5-1)=120 which is divisible by 24

and so on...