Question

A monkey climbing up a pole ascends 6 metres and
slips 3 metres in alternate minutes. If the pole is 60
metres high, how long will it take the monkey to
reach the top?
(Campus Recruitment, 2010)
(a) 31 min
(b) 33 min
(c) 35 min
(d) 37 min
flioc tuica as fast as a train which
2​

Answer 1

and 3 metres coming down in 2nd minute .

This means monkey will at 3 metre after 2 min.

Now as he wants to climb 60 metres

3met. in 2 mi .

54 met. in 36 min. (unitary method)

and then in next minute he will jump 6 met. to reach top of the pole .

means in 37 minutes it will reach .