A frog at the bottom of a well climbs up 3 ft every day, but slips back 2 ft during the night. How long will it take to reach the top, if the well is 20 ft deep?
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18
no, hitesh chitan is wrong
the correct ans is 17.5 days
yes Chintan is correct.
On 18th evening, frog reaches the TOP of the well.
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October 29th, 2010 - 03:41
18
March 27th, 2010 - 01:24
no, hitesh chitan is wrong
the correct ans is 17.5 days
December 26th, 2009 - 01:20
yes Chintan is correct.
December 25th, 2009 - 11:29
On 18th evening, frog reaches the TOP of the well.