Question

15. A wheel rotates 10 times every minutes and moves 20 cm during each rotation. How many cms does the wheel moves in one hour?(Please answer with details)

Answer 1

Answer:

In 1 hour the wheel moves 12000cm

Step-by-step explanation:

every minute it rotates 10 times

every rotation covers 20cm

1 hour = 60 minutes

1 minute = 10 rotations

60 minutes = 60×10 rotations = 600 rotations

1 rotation  covers  20 cm

600 rotations covers 600 × 20cm = 12000cm

∴In 1 hour the wheel moves 12000cm

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Answer 2

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