The circumference of four wheels are 50 CM, 60 CM, 75 CM and 100 CM. They start moving simultaneously. What least distance should they cover so that each wheel makes a complete number of revolutions?

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Solution

50=2×5×5
60=2×2×3×5
75=3×5×5
100=2×2×5×5

LCM of 50,60.75 and 100 is 2×2×5×5×3 = 300.

So the least distance covered by them is 300.

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The circumference of four wheels are 50 CM, 60 CM, 75 CM and 100 CM. They start moving simultaneously. What least distance should they cover so that each wheel makes a complete number of revolutions?

50=2×5×5 60=2×2×3×5 75=3×5×5 100=2×2×5×5 LCM of 50,60.75 and 100 is 2×2×5×5×3 = 300. So the least distance covered by them is 300.

50=2×5×5
60=2×2×3×5
75=3×5×5
100=2×2×5×5

LCM of 50,60.75 and 100 is 2×2×5×5×3 = 300.

So the least distance covered by them is 300.