Direction: In the given question below, four sentences are given that may or may not contain an error. Choose the one that is grammatically as well as contextually correct and meaningful. If all the sentences are correct, mark "All are correct" as your answer.
1
The firm has been losing money recently.
2
Unless he has done the work to my satisfaction, I shall not pay him for it.
3
They had a chat over a cup of tea.
4
Neither of the two books was found useful.
5
All are correct