question_answer

A monkey climbs 20 m. in a minute and slips down 6 m in next minute How much time he will reach upto a 60 m high pole in this way. 

A) 6 min 59 sec

B) 6 min 54 sec.

C) 6 min 58 sec

D) 6 min 50 sec

E) 6 min 45 sec.