A monkey ascends a greased pole 19 metres high. He ascends 2 metres in first minute and slips down 1 metre in the alternate minute. In which minute, he reaches the top ?	Choose the correct choice from the following choices:
A) 21st
B) 22nd
C) 23rd
D) 35th
E) None of these
In 2 minutes, he ascends = 1 metre   âˆ´ 17 metres, he ascends in 34 minutes.   âˆ´ He reaches the top in 35th minute.   Answer 35th
<result>D</result>
A monkey ascends a greased pole 19 metres high. He ascends 2 metres in first minute and slips down 1 metre in the alternate minute. In which minute, he reaches the top ?