In the evening Raman faces the sun and walks for ten kilometres. He then turns left and walks for 20 km. Then he turns left again and walks for 10 km. In which direction is Raman standing with respect to the starting point?
Rohit starts from his school and walks 10 km west, turns north and walks 25 km, turns east and walks 5 km, turns south and walks 10 km, and finally turns east and walks 5 km. How far is Rohit from his school?