A person climbs up to a pole of 88 m high. In every min he climbs 12 m but slips down 8 m...how much time will he take to reach d top?	Choose one:
A) 20th minute  B) 21th minute  C) 22th minute  D) 24th minute  E) 25th minute
in every min person climbs up 12m and slips 8m . hence net displacement becomes 4m.   in 19 minutes person would climb  (19*4)= 
<gadget id="calculator"> (19*4)</gadget>
<output>76</output>
76m   in 20th minute person would climb 12m up.. and it will be on top.   hence in 20th minute. person will reach on pole.   20th minuteNSWER:20th minute
<result>A</result>
A person climbs up to a pole of 88 m high. In every min he climbs 12 m but slips down 8 m...how much time will he take to reach d top?