If n is an integer greater than 6, which of the folowing must be divisible by 3?
A n(n+1)(n-4)
B n(n+2)(n-1)
C n(n+3)(n-5)
D n(n+4)(n-2)
E n(n+5)(n-6)
Is there a quicker way to solve this question other than plugging numbers (that is the only way I could think of)?![]()
A n(n+1)(n-4)
B n(n+2)(n-1)
C n(n+3)(n-5)
D n(n+4)(n-2)
E n(n+5)(n-6)
Is there a quicker way to solve this question other than plugging numbers (that is the only way I could think of)?