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Rate of consumption of coal by a locomotive varies as the square of the speed and is 1000 kg/hour when the speed is 60 km/hour. If the coal costs the railway company 15 paise/kg and if the other expenses are 12 rupees/hour, what becomes the total cost with a speed of 30 km/hour?
This question appeared in the PPSC Prelims 2021 examination (GS-II). It is Question 45 out of 80 questions in this paper.
This question was part of the PPSC Prelims 2021 (GS-II). The PPSC Prelims examination tests candidates on general studies, current affairs, and aptitude through multiple-choice questions.
Practice previous year questions from all PPSC Prelims papers and compare patterns with UPSC Prelims PYQ to identify overlapping topics.