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."

We _________ lunch when you telephoned.

• was having
• were having
• had
• are having
Correct Option: B  [ were having ]

Remark: "were having" indicates Past Continuous Tense.

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'

I beg to(A)/ forward myself as a candidate(B)/ for this post.(C)/ no error. (Find error)

• A
• B
• C
• D
Correct Option: B  [ forward myself as a candidate ]

Remark:

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.

He worked (A)/ very hard (B)/ throughout the season.(C)/ No error (D) (find error)

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

Remark:

Select the adverb in the following sentence:

Rama accidentally deleted three hours homework with one click.

• with
• homework
• deleted
• accidentally
Correct Option: D  [ accidentally ]

Remark: a word or phrase that modifies or qualifies an adjective, verb, or other adverb.
Verb here: deleted.

I need a _________ note.

• five hundred rupees
• five hundred rupee
• five hundreds rupees
• five hundreds rupee
Correct Option: B  [ five hundred rupee ]

Remark:

Find the incorrect (Wrong) sentence.

• One should keep his promise.
• Beena and I work in the same office.
• This the best film I have ever seen.
• None of these.
Correct Option: A  [ One should keep his promise. ]

Remark: uses of "his" is a gender-specific pronoun. To make the sentence gender-neutral and more inclusive, use "one's" instead of "his".
correct sentence: One should keep one's promise.

Find the Incorrect (Wrong) sentence.

A) five times ten is fifty.
B) One of my friends is leaving for Japan.
C) Neither you or I are to be blamed.
D) none of these.

• five times ten is fifty.
• One of my friends is leaving for Japan.
• Neither you or I are to be blamed.
• none of these
Correct Option: C  [ Neither you or I are to be blamed. ]

Remark: Neither you or I is to be blamed.
Rule: two subjects connected by or/nor, either/or, or neither/nor, the verb must agree with the second subject (the subject closer to the verb).