1.   A number is divisible by 3 if ______.
    A. the sum of the digits is divisible by 3 B. the ones digit is 3
    C. the sum of the digits is 3 D. the ones digit is divisible by 3
    Hint

  2.   How many of the following numbers is 162 divisible by? 2, 3, 5, 6, 9, 10
    A. 1 B. 3
    C. 4 D. 2
    Hint

  3.   In which pair is the first number divisible by the second number?
    A. 164; 6 B. 391; 3
    C. 419; 9 D. 700; 2
    Hint

  4.   A number is divisible by 5 if ______________.
    A. the ones digit is 5. B. the ones digit is 0 or 5.
    C. the sum of the digits is 5. D. the ones digit is 0.
    Hint

  5.   In which pair is the first number divisible by the second number?
    A. 405; 10 B. 57; 2
    C. 234; 3 D. 419; 9
    Hint