The given sentence is in Active Voice. As per the given question we have to change it into Passive Voice.
The structure of the given sentence as follows:
Subject + V2+ Object. (Active Voice)
Subject (objective case)+ was/were + V3 + Object (subjective case). (Passive Voice)
Example:
Their cousin showed them some rare photographs. (Active Voice)
They were shown some rare photographs by their cousin. (Passive Voice).
The subject of the given sentence is 'All his friends'.
The object of the given sentence is 'him'.
The subject will be put in place of the object and the object will be put in place of the subject.
And 'laughed' will be changed into 'was laughed'. Lastly, the 'by' preposition will be added.
Therefore, as per the points mentioned above, we find that the correct answer is Option 2.

Mewar Sugar Mill-

- This mill is the first private-sector sugar mill in Rajasthan.

- Established - 1932

- Located- Bhopal Sagar, Chittorgarh (Rajasthan)

In Active Voice, a sentence emphasizes the subject, performing an action.
In Passive Voice, a sentence emphasizes the action or the object of the sentence.
The given sentence is in the active voice and 'her failure' is the subject and 'us' is the object.
When we convert this sentence into passive voice, the subject 'her failure' of the active voice becomes the object, the object 'us' becomes the subject 'we'.
The passive format "were + V3 (surprised)" should be used.
This is the active and passive voice rule for the past simple tense.
Hence, the correct answer is option 2.

1. All the economic activities done for livelihood in which currencies are exchanged directly or indirectly are called industries.

2. The oldest and most organized industry of Rajasthan is cotton textiles.

3. The first cotton mill in India was established in 1818 at Dhusari, Calcutta, while the first cotton mill in Rajasthan was established in 1889 at Beawar, Ajmer, The Krishna Mills.

4. Bhilwara district in Rajasthan is the main centre of the cotton textile industry, hence it is called the Manchester of Rajasthan.

In Active Voice, a sentence emphasizes the subject, performing an action.
In Passive Voice, a sentence emphasizes the action or the object of the sentence.
The given sentence is in the active voice and 'He' is the subject and 'a large pizza' is the object.
When we convert this sentence into passive voice, the subject 'He' of the active voice becomes the object 'him', the object 'a large pizza' becomes the subject.
The passive format "was + being + V3 (eaten)" should be used.
This is the active and passive voice rule for the past continuous tense.
Hence, the correct answer is option 3.

1. Rajasthan's first integrated steel plant established in Bhilwara.

2. Bhilwara is called Manchester of Rajasthan.

3. This plant will provide employment to more than two thousand people directly and indirectly.

The given sentence is in the Active Voice. As per the question we have to change it into Passive Voice.
The process of transformation as follows:
The subject of the given sentence is 'the editor'.
The object of the given sentence is ''a rude comment''.
The subject will be put in place of the object.
And the object is put in place of the subject.
'Did' will be changed into 'was'.
Hence, the correct answer is Option 4.