A monkey climbs 2m up a slippery pole in one second and slips 1m in the next second. How many seconds will the monkey take to reach the top if the pole is 20m high?
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Step-by-step explanation:
it is a tricky question,,so if u want to master then follow my method ,, 1st ( 20m-2m) = 18 m
now result of monkey climb is - 1m in 2sec
so,18m in 18#2 sec = 36 sec ,,and for last 2m it takes another 1sec
so total = (36+1)= 37 sec
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