Question

Let x1y1z1, x2y2z2 and x3y3z3 be three 3-digit even numbers and Δ = |(x1, y1, z1), (x2, y2, z2), (x3, y3, z3)|. Then, Δ is

(A) Divisible by 2 but not necessarily by 4

(B) Divisible by 4 but not necessarily by 8

(C) Divisible by 8

(D) of these

Answer 1

Answer is (A) Divisible by 2 but not necessarily by 4

which is divisible by 2 but not necessarily by 4 or 8.