Question

A man is living in a building. If he goes down 3 floors, the number of floors above him will become double the floors below him. If he goes up 2 floors, the number of floors below him becomes double the floors above him.
What is the number of floors and which floor he lives in?

Answer 1

Answer:

43

lives in 18th floor

Step-by-step explanation:

Answer 2

Answer:

16 and 9

Step-by-step explanation:

9 - 3 = 6
Above is 10 below is 5
9+2 = 11

Above is 5 below is 10