Question

which of the following numbers are divisible by 11? 178,847,1234,91718​

Answer 1

Answer:

847 and 91718 only

Step-by-step explanation:

Divisibility rule for 11 : Sum of odd place digits-Sum of even place digits=0 or 11 or its multiples.

178 = 1+ 8 - 7 = 9 - 7 = 2.

847 = 8+7 - 4 = 15 - 4 = 11

1234 = 2+4 - 1+3  = 6 - 4 = 2

91718 = 9+7+8 - 1+1 = 24-2 = 22