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Form 1 Mathematics Lessons on Least Common Multiples (LCM)

Form 1 Mathematics Lessons on Least Common Multiples (LCM).

Lessons (2)

• 1.    Lesson 1 on Least Common Multiple (LCM)
  14m 31s

• 2.    1. Three sirens wail at intervals of thirty minutes, fifty minutes and thirty five minutes. If they wail together at 7.18 a.m. on Monday, what time and day will they wail together again?
  5m 48s