A monkey wants to climb up a glazed pole. He climbs 12 metres in 1 minute and then he slips back 3 metres in the next minute . If the pole is 63 metre high, how long does he take to climb at the top o

 A monkey wants to climb up a glazed pole. He climbs 12 metres in 1 minute and then he slips back 3 metres in the next minute . If the pole is 63 metre high, how long does he take to climb at the top o

A). 11 (1/4) min

B). 12 (1/2) min

C).

12 (3/4) min

D). 14 (3/4) min

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