In each of the following numbers, what should be the missing digit in the indicated place such that the number is a multiple of 11?
945678?  Pick:
A) 7 B) 6 C) 8 D) 5 E) 2
Explanation:   Divisibility of 11: If the difference of the sum of the digits at odd places and the sum of the digits at even places of a number is zero or a multiple of 11, then that number is divisible by 11.   As per divisibility rule of 11, difference = (x + 21) - 18 = x + 3   =&gt; x + 3 = 11 =&gt; x = 8   ANSwer: 8
<result>C</result>
In each of the following numbers, what should be the missing digit in the indicated place such that the number is a multiple of 11?
945678?