How long will the spider take to reach the top?

A spider is trying to climb a glass pane of 30cm high. It climbs 10cm in 5 minutes and takes rest for 5 minutes during which it slips back 5cm. How long will it take to reach the top??
Asked Mar 10, 2013
Is it 45 minutes
Answered Mar 12, 2013
yh its 45 ....unless it takes a rest at the top
Answered Jul 17, 2013

TIP: If it's not your answer to this question, please click "Leave a Comment" button under the question to communicate with the question owner.