Question

__ 6724,Write the smallest digit and the greatest possible digit in the blank space of each of the given number so that the number formed is divisible by 3.

Answer 1

THESE ARE THE FOLLOWING NUMBERS:
96724
36724

Answer 2

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We know the divisibility rule :

The given number is divisible

by 3 only when sum of the

digits is a multiple of 3 .

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Let required digit is x .

Now ,

x6724 [ If it is divisible by

3 , sum of all digits should be a

multiple of 3 .

x + 6 + 7 + 2 + 4 = x + 19

Therefore , x should be 2 or

5 or 8 .

Smallest value of x = 2 ,

Heighest value of x = 8

26724 is the smallest number,.

86724 is the Heighest number

divisible by 3.

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