Question
Three boys step off together from the same spot. Their
steps measure 64 cm, 80 cm and 88 cm respectively. The minimum distance each should cover so that all can cover the distance in complete steps isSolution
Required distance = LCM of 64, 80 and 88 cm = 3520 cm. 
LCM = 8 × 2 × 4 × 5 × 11 = 3520
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