1.  If the number 97215 * 6 is completely divisible by 11, then the smallest whole number in place of * will be :
A. 1
B. 3
C. 5
D. 2
E. None of these

Answer: Option A

Explanation:

Given number = 97215x6

(6 + 5 + 2 + 9) - (x + 1 + 7) = (14 - x), which must be divisible by 11.

  x = 3