Question

A 3-digit number 4A3 is added to another 3-digit number 984 to give four digit number
13B7, which is divisible by 11. Find (A+B).​

Answer 1

Answer:

4A3+984=13B7

1397 is divisible by 11

so,

B=9

1397-984=413

413=4A3

than

A=1

A+B=1+9=10