An ant climbing up a vertical pole ascends 12 meters and slips down 5 meters in every alternate hour. If the pole is 63 meters high how long will it take it to reach the top?

An ant climbing up a vertical pole ascends 12 meters and slips down 5

1.	An ant climbing up a vertical pole ascends 12 meters and slips down 5 meters in every alternate hour. If the pole is 63 meters high how long will it take it to reach the top?
A.	18 hours
B.	17 hours
C.	16 hours 35 min
D.	16 hours 40 min
E.	None of these
Answer» D. 16 hours 40 min

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An ant climbing up a vertical pole ascends 12 meters and slips down 5 meters in every alternate hour. If the pole is 63 meters high how long will it take it to reach the top?

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