Which preposition correctly completes the sentence: I have been putting a lot of effort ______ arithmetic?

Prepositions Mcqs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

PPSCFPSCNTSPakistan govt jobs
Subject
Prepositions Mcqsenglish-mcqs › prepositions-mcqs
Published
2 Aug 2021
Last updated
28 May 2026

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Explanation

The correct preposition to use with 'working hard' in this context is 'on', as in 'working hard on arithmetic'. 'In' and 'at' are incorrect here, and 'None of the above' does not apply.

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