In each of the following numbers, replace M by the smallest number to make resulting number divisible by 3 : (i) 64 M 3 (ii) 46 M 46
In each of the following numbers, replace M by the smallest number to make resulting number divisible by 3 :
(i) 64 M 3
(ii) 46 M 46
(iii) 27 M 53
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(i) 64 M 3
The given number = 64 M 3
Sum of its digit = 6 + 4 + 3
= 13
The number next to 13 which is divisible by 3 is 15
Required smallest number =15 – 13
= 2
(ii) 46 M 46
The given number = 46 M 46
Sum of its digits = 4 + 6 + 4 + 6
= 20
The number next to 20 which is divisible by 3 is 21
Required smallest number = 21 – 20
= 1
(iii) 27 M 53
The given number = 27 M 53
Sum of its digits = 2 + 7 + 5 + 3
= 18
which is divisible by 3
Required smallest number = 0
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