Some of the following sentences are grammatically incorrect and some are correct. Find out which part of a sentence has an error and mark that part. If there is no error mark that part as your answer.

The recommendations of the committee/(a) that the age should be lowered down/(b) immediately/(c) was not accepted./(d) No error/(e)

Some of the following sentences are grammatically incorrect and some are correct. Find out which part of a sentence has an error and mark that part. If there is no error mark that part as your answer.

He is overworked/(a) and that seems/(b) to have/(c) seriously effected his health./(d) No error/(e)

Direction: Some of the following sentences are grammatically incorrect and some are correct. Find out which part of a sentence has an error and mark that part. If there is no error mark that part as your answer.
Each of the students whom/(a) I have chosen to take part/(b) in the discussion have/(c) indicated that he/(d) will be happy to do so. No error/(e)

Direction: Some of the following sentences are grammatically incorrect and some are correct. Find out which part of a sentence has an error and mark that part. If there is no error mark that part as your answer.
Honestly speaking/(a) I like him not because/(b) he is handsome and charming but that/(c) he is exceedingly/(d) kind. No error/(e)

Direction: Some of the following sentences are grammatically incorrect and some are correct. Find out which part of a sentence has an error and mark that part. If there is no error mark that part as your answer.
The father with/(a) the son were/(b) mysteriously missing/(c) from the house./(d) No error/(e)

Direction: Some of the following sentences are grammatically incorrect and some are correct. Find out which part of a sentence has an error and mark that part. If there is no error mark that part as your answer.
It is in $1929$/(a) when/(b) we first/(c) flew to the United States./(d) No error/(e)

Direction: Some of the following sentences are grammatically incorrect and some are correct. Find out which part of a sentence has an error and mark that part. If there is no error mark that part as your answer.
Our country need /(a) a number of/(b) self-sacrificing/(c) and devoted political leaders./(d) No error/(e)

Direction: Some of the following sentences are grammatically incorrect and some are correct. Find out which part of a sentence has an error and mark that part. If there is no error mark that part as your answer.
The constant shouting /(a) of slogans do not/(b) solve the problems/(c) of the country./(d) No error/(e)

Direction: Some of the following sentences are grammatically incorrect and some are correct. Find out which part of a sentence has an error and mark that part. If there is no error mark that part as your answer.
Crossing the road /(a) a car/(b) knocked/(c) him down./(d) No error/(e)