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UPSC PYQs: Time and work

Review complete published questions grouped by topic: Time and work.

4 published questions

Other qualifying topic groups

Questions

X completes one-third of a work in 6 days, Y one-third in 8 days, and Z three-fourths in 12 days. They work together for n days; then X and Z stop, and Y finishes the remaining work in 8⅔ days. Find n.2025 · Prelims CSAT · Numeracy, Basic Numeracy · Time and work
Ram and Shyam work together for four days and complete 60% of a job. Ram then leaves and Shyam works eight more days to finish it. How long would Ram take to complete the entire job alone?2016 · Prelims CSAT · Quantitative Aptitude · Time and Work
W can do 25% of a work in 30 days, X can do one-fourth in 10 days, Y can do 40% in 40 days and Z can do one-third in 13 days. Who will complete the entire work first?2016 · Prelims CSAT · Quantitative Aptitude · Time and Work
Pipes A and B can fill a tank independently in 20 and 30 minutes. If opened together, how long will they take?2015 · Prelims CSAT · CSAT · Time and Work