give me full solution of ques 5
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3+1+x+5 = 9+x
If sum of the digits is divisible by 3 or 9 then total number will be divisible by 3 or 9 so possible values of x are as follows
÷ by 3=>
x=0, x=3,x=6, x=9
÷ by 9 =>
x=0, x=9
If sum of the digits is divisible by 3 or 9 then total number will be divisible by 3 or 9 so possible values of x are as follows
÷ by 3=>
x=0, x=3,x=6, x=9
÷ by 9 =>
x=0, x=9
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