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Math & Puzzles Quiz
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In a well of 20feet depth, a frog jumps 5feet up in the morning and comes 4 feet down in the evening, on which day the frog gets out of the well.?
AnswerClick to flip back
A
16 days
💡 Explanation:
The frog nets 1 foot per day (5 up, 4 down). After 15 days, it reaches 15 feet. On the 16th morning, it jumps 5 feet and reaches 20 feet, exiting the well before it can slip back. Thus, it escapes on the 16th day, not the 20th.