Given:
A complete the work in 9 days
B complete the work in 15 days
Solution:
A’s one day work = unit
B’s one day work = unit
A+B’s one day work =
A+B complete the total work in
Alternate Solution:
Efficiency of A = 3 unit
Efficiency of B = 5 unit
Time required to complete whole work by A+B together =
English
80 Questions
160 Marks
60 Mins English English20 Questions40 Marks12 Mins English English80 Questions160 Marks60 Mins EnglishX alone can complete a work in 56 days and Y alone can do it in 72 days. both completed in:
Working together A, B and C can complete a certain work in 40 days. B and C together can complete thesame work in 60 days. B is 25% more efficient than A. In how many days will C alone complete 40% ofthe same work?
Pinki, Chinki and Reema started a work and Reema left after 4 days when 46% of the work is completed and then work got completed in 9 more days. In how many days can Reema alone complete the work?
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Ajit and Bimal can do a piece of work in 5, and 8 days, respectively, while Chandan can destroy the same work in 12 days. Ajit works on the 1st day, Bimal works on the 2nd day, Chandan works on the 3rd day and so on. They follow the same pattern until the work gets completed. How many days will it take for the work to be completed the first time?
One-third of a work is finished in four days by P and one-fourth of the same work is finished in six days by Q. P and Q together work for six days and the rest of the work is finished by R in two days. R alone can finish the whole work in _____ days.
A and B can finish a work in 20 days while B and C can do it in 36 days. A started the work, worked for 5 days, then B worked for 10 days and the remaining work was finished by C in 15 days. In how many days could C alone have finished the whole work?
X can do a job in 20 days, Y in 30 days and Z in 36 days. Y and Z begin the work but have to leave after 5 days. How many complete number of days will X take to finish the remaining job?
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