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

Select the correct answerThe ratio of the efficiencies of A, B and C is 4 : 5 : 3. Working together, they can complete that work in 25 days. A and C together will complete 35% of that work in?Options12 days18 days15 days10 days

of 1] Q20 of 30 Marks 1 General Instructions 110% ×CloseTest time left: 40:50Select the correct answerA can do as much work as B and C together can do. A and B can together do a piece of work in 9 hours 36 minutes and C can do it in 48 hours. The time (in hours) that B needs to do the work alone, is?Options12 hrs24 hrs18 hrs30 hrs

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 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 answerA and B working together, can do a piece of work in 4 1/2hours. B and C working together can do it in 3 hours. C and A working together can do it in 2 1/4hours. All of them begin the work at the same time. Find how much time they will take to finish the piece of work?Options2 hours3 hours2·5 hours3·25 hours