Question

2)a) The digits of a given two digit number are interchanged .Then the sum of the given number and the resulting number is always divisible by __________
b)The difference between them is always divisible by__________.

Need without explanation

Answer 1

the answer of the question
(a) the sum would be divisible by 11
(b) the difference would be divisible by 3

Answer 2

             brainly asks atleast 20 characters,
           so,I type something,kindly ignore these,.
                 
     the answers are a) 1 and 11
                                       and
                                   b)1 ,