If y is an integer, then y(y - 1)( y- k) must be evenly divisible by three when k is any of the following values EXCEPT
Choose one:
A) -4	B) -6	C) -1	D) 2	E) 5
if we put k=-1 we get:   y(y-1)(y+1) rearrange:(y-1)y(y+1)   so it looks like a sequenc,   if we assume that y=2 and put number from the answer then we get:   (y – 1)y(y – k)   k=5 =1.2.-3   k=2 =1.2.0   k=-1 =1.2.3   k=-4 =1.2.6   but when we put   k=-6 =1.2.8 not satisfied   so,the answer is -6
<result>B</result>
If y is an integer, then y(y - 1)( y- k) must be evenly divisible by three when k is any of the following values EXCEPT