WBCS.LIVE practice question

A monkey attempts to climb a 60-meter high slippery pole. In the first minute, he climbs 6 meters, but in the second minute, he slips down 3 meters. This alternating pattern continues. How much total time will he take to reach the very top of the pole?

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. 36 minutes
  2. 37 minutes
  3. 40 minutes
  4. 38 minutes

Correct answer and explanation

Correct answer: 37 minutes

Explanation: โœ… Correct Answer: B) 37 minutes ๐Ÿ“š Explanation: The monkey achieves a net height of 3 meters every 2 minutes. However, during his final jump, he will reach the top and will not slip down. He needs to steadily climb 54 meters (60 - 6). Reaching 54 meters will take (54 รท 3) ร— 2 = 36 minutes. In the 37th minute, he will make a 6-meter jump, reaching exactly 60 meters.