A monkey tries to ascend a greased pole 14 m high. He ascends 2 m in first minute and slips 1 min next alternate minute. If he continues to ascend in this fashion, how long does he take to reach the top?
Choices.
A) 22 B) 24 C) 25 D) 26 E) 30
Monkey ascends 2 m in 1 minutes and slips 1 m in next minute.   It means he ascends    2 - 1= 
<gadget id="calculator"> 2 - 1</gadget>
<output>1</output>
1 m in every two minutes.   Take 2 minutes= 1 unit of time.   It will take 12 unit of time to climb 12 m of the pole.   In next 1 minute, he will covered 2 m and reached the top. So,   Total time = 12 unit + 1 = 24 +1= 
<gadget id="calculator">24 +1</gadget>
<output>25</output>
25 minutes.   ANSWER : OPTION 25
<result>C</result>
A monkey tries to ascend a greased pole 14 m high. He ascends 2 m in first minute and slips 1 min next alternate minute. If he continues to ascend in this fashion, how long does he take to reach the top?