A man is standing in a park facing North. He turns 90° towards his left and walks 40 km. He again takes a 90° turn towards his right and walks 50 km. He takes the next 90° turn towards his right and walks 60 km. Lastly, he takes a 90° turn towards his right and walks 50 km. How far is he from his starting point?

Deepa moved a distance of 75 m towards the North. She then turned to the left and walked for about 25 m, turned left again and walked 80 m. Finally, she turned to the right. In which direction was she moving finally?

At 6:00 PM in the evening, while sitting and reading in a library, light was entering through a window on the wall to my left. If the main entrance of the library faces East, in which direction was I facing while reading?