A survey was done at Lotus Valley School to find the modes of transport used by the students to reach the school. The result of the survey is shown through the circle chart shown below:
Which is the least preferred means of transport for coming to school?
A frog has fallen into a ditch which is 12 meter deep. Each day the frog climbs 2 meter and than falls back by 1 meter. In how many days will the frog reach the top?