He is well known for both (A)/ his kindness as well as (B)/ his understanding.(C)/ No error(D) (Find error)

• A
• B
• C
• D
Correct Option: B  [ his kindness as well as ]

Remark:

A quarrel arose between the five members (A)/ and for a time it appeared as if the party (B)/ had been heading for a split (D)/ No error(D) (Find error)

• A
• B
• C
• D
Correct Option: A  [ A quarrel arose between the five members ]

Remark:

I know he is having (A)/ a lot of books (B)/ on how to improve English (C)/ no error (D) (Find error)

• A
• B
• C
• D
Correct Option: A  [ I know he is having ]

Remark: "I know he has a lot of books on how to improve English."

the present simple tense "has" is more appropriate than "is having".
"Is having" could imply temporary possession or current activities, whereas "has" indicates general possession.

She _________ serving in the present post since 2008.

• have been
• has been
• was
• has
Correct Option: B  [ has been ]

Remark: "has been serving": Present perfect continuous tense.

Had they not helped (A) / him with money (B) / he would not have attained this position (C) / No error (D). (find error)

• A
• B
• C
• D
Correct Option: D  [ No error ]

Remark:

I went to(A)/ the station before(B)/ the train arrived.(C) no error(D) (Find error)

• A
• B
• C
• D
Correct Option: D  [ no error ]

Remark:

If I was you, I would not treat him like this.

• was I you
• If I have been you
• If I were you
• No error
Correct Option: C  [ If I were you ]

Remark: "If I were" is used when the subject of the sentence is referring to a hypothetical or imaginary situation.

One of my desires(A)/ are to become(B)/ a doctor.(C)/ No error(D)

• A
• B
• C
• D
Correct Option: B  [ B ]

Remark: Use ' is to become'

How long (A)/ you have been (B)/ in this city. (C)/ No error (D) (find error)

• A
• B
• C
• D
Correct Option: B  [ you have been ]

Remark: "How long have you been in this city?"

the auxiliary verb ("have" in this case) should come before the subject ("you") to form a question in the present perfect tense.

Find the Correct (Right)sentence.

A) I know how to operate a computer.
B) The officer made the peon to do the work again.
C) We felt the whole building to vibrate.
D) none of these

• I know how to operate a computer.
• The officer made the peon to do the work again.
• We felt the whole building to vibrate.
• none of these
Correct Option: A  [ I know how to operate a computer. ]

Remark: "I know how to operate a computer" is the simple present tense. This tense is used to express general truths, habitual actions, and facts that are always true.

correct form of other two sentences are
B: "The officer made the peon do the work again."
C: "We felt the whole building vibrating."