Kanika climbs 60 feet of a building at the beginning of each hour and slips back 20 feet before she again starts climbing in the beginning of the next hour. If she begins her ascent at 9.00 a.m, at what time will she first reach the top of the roof, if the height of the building is given to be 700 feet?
Come back tomorrow for the correct answer to this teaser.
Answer for yesterday's Brain Teaser
How do you get the word 'cold' from the word 'warm' in four steps by changing only one letter at a time?