Which of the following is a necessary condition for a number to be a multiple of 18?

Practice Questions

1 question
Q1
Which of the following is a necessary condition for a number to be a multiple of 18?
  1. It must be even.
  2. It must be a multiple of 9.
  3. It must be a multiple of 3.
  4. It must be a multiple of 6.

Questions & Step-by-step Solutions

1 item
Q
Q: Which of the following is a necessary condition for a number to be a multiple of 18?
Solution: Since 18 = 2 × 9, being a multiple of 9 is necessary for a number to be a multiple of 18.
Steps: 0

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