Question

Write the smallest digit in the blank space in the number 467__91, so that the resulting number is divisible by 11. Please explain.

Answer 1

Answer:

4+7+9=20

6+x+1=7+x

the difference must be multiple of 11 or 0

20-(7+x)

20-7-x

13-x

x=2

so that 13-x=11

13-2=11