Time and Work - Single MCQs (Page 3)

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Q21. X and Y can do a piece of work in 20 days and 12 days respectively. X started th...Q22. 10 women can complete a work in 7 days and 10 children take 14 days to complete ...Q23. Two workers A and B manufactured a batch of identical parts. A worked for 2 hour...Q24. P can complete a work in 12 days working 8 hours a day. Q can complete the same ...Q25. A can build up a structure in 8 days and B can break it is 3 days. A has worked ...Q26. A and B can together finish a work 30 days. They worked together for 20 days and...Q27. Alvira does a work in 90 days, Siya in 40 days and Madhav in 12 days. They work ...Q28. 4 men and 6 women can complete a work in 8 days, while 3 men and 7 women can com...Q29. Four men and three women can do a job in 6 days. When five men and six women wor...Q30. A can finish a work in 18 days and B can do the same work in 15 days. B worked f...