1.

A monkey climbing up a pole ascends 10 metres and slips down 2 metres in alternative minutes. If the pole is 57 metres high, how long will take him to reach the top of pole?

A. 14 minutes, 6 seconds    
B. 16 minutes, 4 seconds
C. 20 minutes, 30 seconds  
D. 10 minutes, 18 seconds
E. None of these
Answer» B. 16 minutes, 4 seconds


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