Mamatha is walking towards North. After walking 4 kms, she turns right and then walks for 3 kms. Now how far and in which direction is she from the starting point.
The following table represents the number of fans of stars MSD, VK, RD and SR in different areas of a town. Consider the information and answer the following questions based on it.
Out of three pipes the first two can fill an empty tank in 9 and 18 hours, respectively while the third can drain the filled tank in 15 hours. If all the three pipes are opened when the tank is empty, after how many hours will the tank be full?