Multiple choice

Which of the following statements is/are true?

  1. If a number is divisible by 3, it must be divisible by 9.

  2. If a number is divisible by 2, it must be divisible by 4.

  3. If a number is divisible by 2 and 3, it must be divisible by 6.

  4. If a number is divisible by 4, it must be divisible by 8.

  5. -

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

This is the correct answer. If a number is divisible by co-prime numbers, then it is also divisible by the product of the two.