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

  2.   What is the least common multiple of 4, 5, and 16?
    A. 16 B. 64
    C. 160 D. 80
    Hint

  3.   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. 4 B. 8
    C. 3 D. 12
    Hint

  4.   Find the least common multiple of 12 and 8.
    A. 24 B. 48
    C. 12 D. 96
    Hint

  5.   Find the least common multiple of 18 and 24.
    A. 72 B. 36
    C. 432 D. 216
    Hint



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