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question_answer1) X and Y together can do a piece of work in 8 days, which X alone can do in 12 days. In how many days can Y do the same work alone?
question_answer2) If 6 men and 8 boys can do a piece of work in 10 days and 26 men and 48 boys can do the same work in 2 days, the time taken by 15 men and 20 boys to do the same type of work will be
question_answer3) Three persons A, B and C can do a job alone in 10 days, 12 days and 15 days respectively. In how many days they can finish the job working together?
question_answer4) Two persons A and B can do a piece of work alone in 10 days and 15 days respectively. If A works for 2 days and B works for 5 days, find the total amount of work done.
question_answer5) Amit can do a piece of work in 4 days and Sumit can do it in 6 days. How long will they take, if both Amit and Sumit work together?
question_answer6) Together, Chotu and Nitu plough a field in 4 days. Nitu alone takes 6 days to plough the same field. In how many days can Chotu alone plough the field?
question_answer7) Kami, Karya and Kirti can together weave a carpet in 4 days. Kami by herself can weave the same sized carpet in 12 days and Kirti can do it in 10 days. How long will Karya take to do the work by herself?
question_answer8) If 20 men take 30 days to complete a job, in how many days can 25 men complete the job?
question_answer9) Fifteen men take 10 days to complete a job working 12 hours a day. How many hours a day should 10 men work to complete the job in 20 days?
question_answer10) A piece of work can be done by 16 men in 8 days working 12 hours a day. How many men are needed to complete another work, which is three times the first one, in 24 days working 8 hours a day?
question_answer11) A can do a piece of work in 9 days, B can do the same in 12 days, In how many days can the work be complete if A and B work together?
question_answer12) A and B together can do a piece of work in 12 days and A alone can complete the work in 18 days. How long will B alone take to complete the job?
question_answer13) A can do a certain job in 12 days. B is 60% more efficient than A. What is the number of days it takes B to do the same piece of work?
question_answer14) A can do \[\frac{1}{2}\] work in 5 days. B can do \[\frac{3}{5}\] of same work in 9 days and C can do \[\frac{2}{3}\] of that work in days. In how many days can three of them together do the work.
question_answer15) X works 3 times as fast as Y and is able to complete a work in 40 days less than the number of days taken by Y. Find the time in which they can complete the work together.
question_answer16) A, B and C can do a piece of work in 4 days, 5 days and 7 days respectively. They get Rs 415 for completing the job. If A, B and C have worked together to complete the job, what is A?s share?
question_answer17) A can do a piece of work in 80 days. He works at it for 10 days and then B alone finishes the remaining work in 42 days. In how many days can the two of them complete the work together?
question_answer18) Two men undertook to do a job for Rs 1400. One of them can do it alone in 7 days and the other in 8 days. With the assistance of a boy, they together completed the work in 3 days. How much money did the boy get?
question_answer19) A, B and C are employed to do a piece of work of Rs 529. A and B together are supposed to do \[\frac{19}{13}\] of the work and B and C together \[\frac{8}{23}\] of the work. What amount should A be paid?
question_answer20) 12 men can complete a work in 30 days by working 9 hours a day. What is the number of men required to complete 10 times of this work in 24 days by working 5 hours a day?
question_answer21) 10 men working 6 hours a day can complete a work in 18 days. How many hours a day must 15 men work to complete the same work in 12 days.
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