Question

What is the value of X to make 3X422 divisible by 11

Answer 1

Answer:

7

Step-by-step explanation:

Divisibility of 11: (sum of digits at odd places)-(sum of digits at even places)= 0 or 11

3+4+2-(x+2)=0 (not 11 because x here is a single digit number)

9-x-2=0

7-x=0

x=7