Which of the following numbers is NOT divisible by 3?

Practice Questions

Q1
Which of the following numbers is NOT divisible by 3?
  1. 12
  2. 15
  3. 22
  4. 27

Questions & Step-by-Step Solutions

Which of the following numbers is NOT divisible by 3?
  • Step 1: Identify the numbers you want to check for divisibility by 3.
  • Step 2: For each number, break it down into its individual digits.
  • Step 3: Add the digits together to get a sum.
  • Step 4: Check if the sum is divisible by 3. You can do this by dividing the sum by 3 and seeing if there is a remainder.
  • Step 5: If there is no remainder, the original number is divisible by 3. If there is a remainder, it is NOT divisible by 3.
  • Step 6: In this case, for the number 22, add the digits: 2 + 2 = 4.
  • Step 7: Check if 4 is divisible by 3. Since 4 divided by 3 gives a remainder, 4 is NOT divisible by 3.
  • Step 8: Therefore, the number 22 is NOT divisible by 3.
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