Time & work || math trick
TIME & WORK(17.12.2022) 1. A can finish a piece of work in 12 days. B is 60%more efficient than A. How much time will B take to complete the work? (a) 6 days (b) 7½ days (c) 8 days(d) 8½ days 2. A can finish the work in 10 days and B can finish the work in 15 days. How many days will the two finish the work together? (a) 5 days(b) 6 days(c) 8 days(d) 10 days 3. If A and B together complete a work in 15 days and B alone completes the work in 20 days, in how many days will A alone complete the work? (a) 60 days(b) 45 days(c) 40 days(d) 30 days 4. Tapas works twice as fast as Mihir. If they both can complete a work together in 12 days, in how much time will Tapas complete the work alone? (a) 15 days(b) 18 days(c) 20 days(d) 24 days 5. A alone can finish a work in 18 days and B alone in 15 days. B leaves the work alone for 10 days. In how many days will A alone finish the remaining work? (a) 5 days(b) 5½ days(c) 6 days(d) 8 days 6. A can complete 1/2 part of a work in 5 days, B ca...