Part-2: Numerical Ability

(a) Sum of four consecutive even numbers is always divisible by 8

(b) Sum of four consecutive odd numbers is always divisible by 8

(c) Product of any n consecutive natural numbers may not be divisible by n!.

(d) Product of 4 consecutive odd numbers is always divisible by 25.

(a)y(y+2)

(b)y-2

(c)2(y+2)

(d)(y+2)(y²-2y+4)