A man Worked in an office with 10 floors. His office was on the tenth floor.He worked on weekdays and did extra time on week ends.
Now on weekdays he straight away went to the tenth floor where his office was via the elevator.and came down through it as well.
But on weekends he went to sixth floor via the elevator and the rest he climbed through stairs and came back to ground floor via the elevator.
Explain this odd behaviour.
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