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 is
Solution
Required distance = LCM of 64, 80 and 88 cm = 3520 cm. 
LCM = 8 × 2 × 4 × 5 × 11 = 3520
More HCF and LCM Questions
- Calculate the number of factors of 480.
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- Find the smallest 4-digit number that is exactly divisible by 14, 20 and 27.
- The HCF of two numbers is 12 and their LCM is 180. If one of the numbers is 36, find the other number.
- The greatest number, which when subtracted from 6254, gives a number exactly divisible by each of 20, 25, 30 and 35, is:
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- If the product of two numbers is 3026 and their LCM is 89 then their HCF is:
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