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1.A and B can do a piece of work in 10 days, B and C in 15 days and C and A in 20 days. Calone can do the workin:A: 60 daysB: 120 days C: 80 days D: 30 days2. A can do a piece of work in 40 days; B can do the same in 30 days. A started alone but left the work after 10 days, then Bworked at it for 10 days. C finished the remaining work in 10 days. Calone can do the whole work in?A. 24 days B. 30 days C. 44 days D. 17 1/2 days3. A is thrice as good as workman as B and therefore is able to finish a job in 60 days less than B. Working together, they cando it in:A.20 days B.22 days C.25 days D.30 days E. None of these4. If 6 men and 8 boys can do a piece of work in 10 days while 26 men and 48 boys can do the same in 2 days, the timetaken by 15 men and 20 boys in doing the same type of work will be:1.7 daysleft the job. In how manyUs |
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