A monkey climbs 2 m up a slippery pole every second and slips down 1 m in the next second . How many second will the monkey take to reach the top of a pole 20 m high ? With solution
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the answer is 40 seconds because the monkey takes 2 seconds to climb one metre so, for 20 metres the monkey will take 20 * 2 = 40 seconds to climb.
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1
Answer is 40 seconds....
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