Which of the following is a correct statement about divisibility by 7?

Practice Questions

1 question
Q1
Which of the following is a correct statement about divisibility by 7?
  1. A number must end in 7
  2. Double the last digit and subtract it from the rest
  3. The sum of the digits must be divisible by 7
  4. A number must be a multiple of 14

Questions & Step-by-step Solutions

1 item
Q
Q: Which of the following is a correct statement about divisibility by 7?
Solution: To check for divisibility by 7, you can double the last digit and subtract it from the rest of the number.
Steps: 0

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