A delivery man on a certain floor of a building enters the elevator, he goes up 5 floors, the 6 floors and finally down 7 floors. If he end up in the 10th floor and the building has on 13th floor, in which floor did he enters elevator
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Answer:
He entered from the 6th floor of the building
Step-by-step explanation:
10th floor up by 7 floors =17th floor
17th floor down by 6 floors = 11th floor
111th floor down by 5 floors = 6th floor
6th floor