Question

If 523x is divisible by 9 then=
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Answer 1

Answer:

523x÷ 9= 58.11111111111..........X

Answer 2

Answer:

if any number is divisible by 9 then the sum of digits is also divisible by 9.

so 5+2+3+x= divisible by 9

10+x = divisible by 9

nearest no. to 10 divisible by 9 is 18

so

10+x =18

x=18 - 10

x = 8

hense the required number is 5238