mediumFPSCNTSCSSPPSCEnglish Grammar
Answer explanation
Explanation included
Practice quiz ready
Related English Grammar MCQs
View allAnswer and explanation
Correct Answer: C: By whom a car was designed?
Explanation: The correct answer is C: By whom a car was designed? The passive voice of 'Who designed a car?' is 'By whom was a car designed?' using past simple passive with 'by whom.'