Shyam and his brothers__________ a famous sweet shop in our neighborhood. A are B have been C is D have​

In the given sentence, identify the segment which contains the grammatical error.The man with a lost eye have been accused for murder of two girls in his neighbourhood. (a) have been accused for (b) in his neighbourhood (c) murder of two girls (d) The man with a lost eye

A and B are brothers. C and D are sisters. A's son is D's brother. How is B related to C?

A and B are brothers. C and D are sisters. A's son is D's brother. How is B related to C?

Six persons A, B, C, D, E and F are to be seated at a circular table . The number of ways this can be done if A must have either B or C on his right and B must have either C or D on his right is