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.
A woman starts from her home and walks 2km North, then she turns East and walks 9 km, then she turns South and walks 1 km, then she turns West and walks 2 km, then she turns to her left and walks 1 km toreach the well. Where is her home with respect to the well?
The Center for Medicare & Medicaid Services (CMS), a federal agency in USA has an Indian as its current administrator under the Trump regime. Who is she?
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?