if n is a positive integer greater than 1, then n(n^2-1) is always divisible by?
a) 6 b) 12 c)24 d) 48 e)96.

• for example put n= 3
  3*(3^2 - 1)=24
  if you put any odd no. and the resultant will be divisible by 24.
  soo, option (c) is correct
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