Monkey climbing puzzle
A monkey climbs 30 feet at the beginning of each hour
and rests for a while when he slips back 20 feet
before he again starts climbing in the beginning of the next hour.
If he begins his ascent at 8.00 a.m.,
at what will he first touch a flag at 120 feet from the ground ?
Choose the right answer for question above
4 p.m.
5 p.m.
6 p.m.
8 p.m.