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If a number $774958A96B$ is to be divisible by $8$ and $9$, the values of A and B. respectively, will be:

  1. $7,8$
  2. $8,0$ 
  3. $5,8$ 
  4. None of these
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Divisibility by 8:- The last three digit of a number is divisible by 8.

Divisibility by 9:- The sum of digits divisible by 9.

Given Number divisible by 8 if last 3 digits 96B is divisible by 8.There are two possibilities for B ( 8 and 0 ).

The number is divisible by 9 if the sum of digits (55+A+B) divisible by 9.

There are only 2 possibilities

A=0 and B=8

       or

A=8  and B=0.

 

Hence,Option(B)8,0 is the correct choice.
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