Question

why was the ghost angry with Mrs.Otis in detail ​

Answer 1

On reaching his own room, the ghost was annoyed at the vulgarity of the twins and the 'gross materialism' of Mrs. Otis. But the reason that made him really distressed was that he could not wear the armour suit.

Answer 2

On reaching his own room, the ghost was annoyed at the vulgarity of the twins and the 'gross materialism' of Mrs. Otis. But the reason that made him really distressed was that he could not wear the armour suit.