1.   Find the least common multiple of 6 and 15.
    A. 15 B. 60
    C. 3 D. 30
    Hint

  2.   Find the least common multiple of 3, 4, and 5.
    A. 120 B. 12
    C. 30 D. 60
    Hint

  3.   Find the least common multiple of 3 and 6.
    A. 18 B. 12
    C. 3 D. 6
    Hint

  4.   Albania has volleyball practice every 3 days and piano lessons every 4 days. If she had both a volleyball practice and a piano lesson on Monday, in how many days will she have both on the same day again?
    A. 3 B. 12
    C. 8 D. 4
    Hint

  5.   Marquez is on a certain baseball team that has a four-man pitching rotation, so each pitcher plays every four days. Walter is on another team, which has a five-man rotation. If Marquez and Walter play in the same game today, how many days will it be before they play on the same day again?
    A. 4 B. 5
    C. 10 D. 20
    Hint



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