Select the correct answerA is 50% more efficient than B and C is 40% less efficient than B. Working together, they can complete a task in 10 days. In how many days will A alone complete 150% of that task?Options35312811

Select the correct answerTo do a certain work, the ratio of efficiency of A to that of B is 3 : 7. Working together, they can complete the work in 10.5days. They work together for 8 days. 60% of the remaining work will be completed by A alone in?Options5.5days6.5 days5 days4 days

Select the correct answerB would have taken 10 hours more than what A would have taken to complete a task if each of them worked alone. Working together they can complete the task in 12 hours. How many hours would B take to do 50% of the task?Options15302010

Select the correct answerA, B and C together can finish a piece of work in 30 days. If A and C is twice efficient than B. A and B is thrice efficient than C in how many days A alone can complete the work?Options80 days75 days72 days84 days

Select the correct answerThe efficiencies of A, B and C are in the ratio of 5 : 3 : 2. Working together, they can complete a task in 21 hours. In how many hours will B alone complete 40% of that task?Options28352124

A and B working together can complete a work in 10 days. If A works at half of his efficiency and B works at thrice of his efficiency, they can complete the work in 6 days. In how many days can A complete the work at his normal efficiency?