A is twice as efficient as B at completing a task, and together they can finish the task in 20 days. How many days would A alone take to complete the task?
English
80 Questions
160 Marks
60 Mins English English20 Questions40 Marks12 Mins English English80 Questions160 Marks60 Mins EnglishWorking 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?
A can lay railway track between two given stations in 20 days and B can do the same job in 12 days. With the help of C, they did the job in 2 days only. Then, C alone can do the job in
Isha can do a certain piece of work in 24 days. Isha and Smriti can together do the same work in 20 days, and Isha, Smriti and Ashlesha can do the same work together in 12 days. In how many days can Isha and Ashlesha do the same work together?
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?
A can do a work in 13 days and B can do the same work in 24 days. If they work on it together for 5 days, then what fraction of the work is left?
Aryan takes 12 hours to mow a large lawn. He and Arman together can mow it in 7 hours. How long will Arman take to mow the lawn if he works alone?
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