Question 82

If 11 divides 29x03 then x =

Solution

Any number is divisible by 11 if,

The sum of odd placed number - sum of even placed number will be divisible by 11, then the number will be divisible by 11.

$$3+x+2-(0+9)=x-4$$

It will be divisible by 11, if $$x-4=0$$

Or $$x=4$$

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