Deepu started his journey from A and moves 2 km towards South, then he turns right and moves 1⁄2 kilometre. Again he takes a right turn and walks 2km. Now he takes a left turn and walks 3 km more. How far he is from the starting point?
A man is engaged for planting trees for 10 hours. He plants 10 trees in an hour. He takes rest for 30 minutes after every hour. How many trees does he plant in 10 hours?