Question

There are 500 rooms in a multi-floored hotel. However, due to a change in rule, the hotel has to decrease the number of floors by 5. However, the management is able to put 5 more rooms in each floor. Over all, the number of rooms in the hotel decreases by 10%. Find the number of floors and the number of rooms/floor the hotel originally had?
10 floors 50 rooms
20 floors 20 rooms
20 floors 25 rooms
50 floors 10 rooms

Answer 1

20 floors and 25 rooms the hotel originally had