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Video Class
There are six steps that lead from the first to the second floor.

No two people can be on the same step Mr.

A is two steps below Mr. C

Mr. B is a step next to Mr. D

Only one step is vacant ( No one standing on that step )

If Mr. E was on the third step & Mr. B was on a higher step than Mr. E

which step must be vacant

No two people can be on the same step Mr.

A is two steps below Mr. C

Mr. B is a step next to Mr. D

Only one step is vacant ( No one standing on that step )

If Mr. E was on the third step & Mr. B was on a higher step than Mr. E

which step must be vacant