A frog tries to climb a 15-meter well. It jumps 3 meters up and slips 2 meters down every hour. How long will it take to come out?
Show answer & explanation
Correct answer: C
Explanation
Step-by-step Explanation:
• Total depth of the well = 15 meters
• In each hour, the frog climbs:
• In the final jump, the frog covers 3 meters and reaches the top, so it will not slip back.
• Distance covered before the final jump =
• Time taken to climb at
• In the hour, it jumps and reaches the top ().
Therefore, total time taken = .
Hence, the correct option is (C).