How can you tell right away if a number is a multiple of 3 or not?
Choices:
The last digit of the number is 3
The number is an even number
The number is an odd number
The number is an odd number and the sum of its digits is a multiple of 3
The sum of its digits is a multiple of 3
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Answer:
Just simply, Add the digits of the given no. and see if it is divisible by 3 or not. if yes, then it is a multiple of 3.
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