Question 81

What should be the smallest integer in place of * if the number 502*693 is exactly divisible by 9?

Solution

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number 502*693

if the sum of the digits are evenly divisible by 9

$$5+0+2+*+6+9+3=25 $$

which is not divisible 9 so, by adding 2 which is smallest no.  we get 27

 

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