Time left 1 A is 30% more efficient than How much time will they, working together, take to complete a job which A alone could have done in 23 days? 11 days 13 days 20 3/17 days None of these 2 Ravi and Kumar are working on an assignment. Ravi takes 6 hours to type 32 pages on a computer, while Kumar takes 5 hours to type 40 pages. How much time will they take, working together on two different computers to type an assignment of 110 pages? 7 hours 30 minutes 8 hours 8 hours 15 minutes 8 hours 25 minutes 3 A, B and C can complete a piece of work in 24, 6 and 12 days respectively. Working together, they will complete the same work in: 1 /24 day 7 /24 day 3 3/7 days 4 days 4 Sakshi can do a piece of work in 20 days. Tanya is 25% more efficient than Sakshi. The number of days taken by Tanya to do the same piece of work is: 15 16 18 25 5 A takes twice as much time as B or thrice as much time as C to finish a piece of work. Working together, they can finish the work in 2 days. B can do the work alone in: 4 days 6 days 8 days 12 days 6 A and B can complete a work in 15 days and 10 days respectively. They started doing the work together but after 2 days B had to leave and A alone completed the remaining work. The whole work was completed in : 8 days 10 days 12 days 15 days 7 A and B can do a piece of work in 30 days, while B and C can do the same work in 24 days and C and A in 20 days. They all work together for 10 days when B and C leave. How many days more will A take to finish the work? 18 days 24 days 30 days 36 days 8 A works twice as fast as If B can complete a work in 12 days independently, the number of days in which A and B can together finish the work in : 4 days 6 days 8 days 18 days
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