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Question Id : 11877 | Context :NIMCET 2024

Question

A cat climbs a 21- meter pole. In the first minute it climbs 3 meter and in the second minute it descends one meter. In how minutes the cat would reach the top of the pole?
🎥 Video solution / Text Solution of this question is given below:

Logical Puzzle: Cat Climbing a Pole

Problem:

A cat climbs a 21-meter pole. Every minute it climbs 3 meters but slips down 1 meter the next minute. How long will it take to reach the top?

Step-by-Step Analysis:

  • Every 2 minutes, net climb = 3 - 1 = 2 meters
  • In 20 minutes, the cat climbs 10 × 2 = 20 meters
  • At the start of the 21st minute, the cat climbs 3 meters and reaches the top (21 meters) before it can slip.

✅ Final Answer: The cat will reach the top in 21 minutes.

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