A monkey ascends a greased pole 20 meters high. He ascends 2 meters in the first minute and then slips down 1 meter in the alternate minute. If this pattern continues until he climbs the pole , in how many minutes would he reach at the top of the pole ? Select:
A) 30th minute	B) 31st minute	C) 37th minute	D) 32nd minute	E) 33th minute
The money is climbing 1meter in 2min. This pattern will go on till he reaches 10meters. I mean this will continue for first  18*2= 
<gadget id="calculator"> 18*2</gadget>
<output>36</output>
36mins. he would have reached 18meters. After that he will climb 2meters and he will reach the pole. So total time taken= 36 + 1= 
<gadget id="calculator">36 + 1</gadget>
<output>37</output>
37mins.   So, asnwer will be 37th minute
<result>C</result>
A monkey ascends a greased pole 20 meters high. He ascends 2 meters in the first minute and then slips down 1 meter in the alternate minute. If this pattern continues until he climbs the pole , in how many minutes would he reach at the top of the pole ?