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A can do a piece of work in 7 days of 9 hours each day and B can do it in 6 days of 7 hours each day. then how many days they will take to do it, working together 8 hours a day:
Correct Answer: (c)
Official keyThis question appeared in the HPPSC Prelims 2020 examination (GS-II). It is Question 41 out of 200 questions in this paper.
This question was part of the HPPSC Prelims 2020 (GS-II). The HPPSC Prelims examination tests candidates on general studies, current affairs, and aptitude through multiple-choice questions.
Practice previous year questions from all HPPSC Prelims papers and compare patterns with UPSC Prelims PYQ to identify overlapping topics.