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Three machines, A, B and C can be used to produce a product. Machine A will take 60 hours to produce a million units. Machine B is twice as fast as Machine A. Machine C will take the same amount of time to produce a million units as A and B running together. How much time will be required to produce a million units if all the three machines are used simultaneously?
Correct Answer: (b)
Official keyThis question appeared in the GOA Prelims 2021 examination (Screening Test). It is Question 54 out of 75 questions in this paper.
This question was part of the GOA Prelims 2021 (Screening Test). The GOA Prelims examination tests candidates on general studies, current affairs, and aptitude through multiple-choice questions.
Practice previous year questions from all GOA Prelims papers and compare patterns with UPSC Prelims PYQ to identify overlapping topics.