Question

5a2b is divisible by 11 , then Fi d all the possible values

Answer 1

5-a+2-b
7-a-b
a=3,b=4
7-3-4
7-7=0 is divisible
when a =4,b=3
7-4-3
7-7=0 is divisible
possible values are a=3,b=4
a=4,b=3