A cylindrical well has a diameter of 5.3 cm and is 6 m deep. Approximately how many turns of rope are required to reach the bottom?
- 24 turns
- 30 turns
- 36 turns
- None of these
Explanation
Circumference = πd = 3.14 × 5.3 ≈ 16.64 cm.
Depth = 6 m = 600 cm.
Number of turns = 600 ÷ 16.64 ≈ 36 turns.
Last verified on 04-10-2026
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