Question

A 3 digit number 2a3 is added to the number 326 to give a 3 digit number 5b9 which is divisible by 9 find value of b-a

Answer 1

when 2a3 is added to 326 we get 5b9
when 5b9 is divided by 9 the remainder will be 0 only when value of b is 4
the value of a is 2
so, b-a =2

Answer 2

Answer:

when 2a3 is added to 326 we get 5b9

when 5b9 is divided by 9 the remainder will be 0 only when value of b is 4

the value of a is 2

so, b-a =2

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