Quiz: UPPSC Prelims 1998 (GS Paper I)

Category: UP PSC (PCS)

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Question 56 of 150

UPPSC Prelims 1998 (GS Paper I)
37%

To avoid "knocking" of the engine of a car, which one of the following is used as an anti-knocking agent?

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23 Aug 2025 ยท 18 Oct 2025

This MCQ is part of the UP PSC Previous Year Questions (PYQs) series, focusing on UPPSC Prelims 1998 (GS Paper I)

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