If a Bishop has covered 8 grids of a chess board. How much part of the total has he covered now? Express the answer in decimal form
Rohit's friend's house is 2.87 km away from his house. If Rohit has covered a distance of 1500 m, find how much more distance he has to cover to reach his friends's house
Rahul covers a part of the journey at 20 km/hr and the remaining at 70 km/hr, taking total of 8 hours to cover the distance of 410 km. How many hours he has been driving at 20 km/hr?