Numbers - General Aptitude

Q1:

If the number 91876 * 2 is completely divisible by 8, then the smallest whole number in place of * will be:

A 1

B 2

C 3

D 4

E None of these

ANS:C - 3

Then number 6x2 must be divisible by 8.    x = 3, as 632 is divisible 8.