Divisibility Rule of 3


 
 
Concept Explanation
 

Divisibility Rule of 3

The Divisibility Rule for 3: A number is divisible by 3 if the sum of the digits is divisible by 3. This means that we need to add up the digits in the number and see if the answer can be divided by 3 without a remainder.

If the sum of the digits is exactly divisible by 3, then the given number will be exactly divisible by 3 otherwise not.

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Sample Questions
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Question : 1

Which of the following numbers are divisible by 3?

5501 , 4221 , 9105, 5118, 4321

Right Option : B
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Question : 2

Which of the following number is not divisible by 3?

783 , 431 , 825, 678

Right Option : B
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Question : 3

If a 4 digit number A is divisible by 3, then which of the following is correct?

Right Option : A
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