Question

Why was the ghost angry with Mrs. Otis

Answer 1

Because ghost was angry with mrs. Otis

Answer 2

Answer:

On his second appearance, the ghost was shot at by the Otis twins with pea shooters. ... 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.