Question

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

Answer 1

Answer:

LCM of 50, 60, 75 and 100 = 2 × 2 × 5 × 5 × 3 = 300. Hence, At 300 cm [ 3m ] each will make a complete number of revolution.

Answer 2

Answer:

LCM of 50, 60, 75 and 100 = 2 × 2 × 5 × 5 × 3 = 300. Hence, At 300 cm [ 3m ] each will make a complete number of revolution.

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.

Step-by-step explanation:

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SO THE CORRECT ANSWER IS 300cm