Time and Work May 5, 2024 by Suresh Cheyyuri Leave a Comment Welcome to your Time and Work 1. A can do a piece of work in 20 days, B can do the same work in 30 days. In how many days they can finish if both work combined 12 days 14 days 15 days 18 days 2. Rajesh and Santhosh are working on a piece of work. Rajesh takes 8 hours to write 32 pages on a system, while Santhosh takes 5 hours to write 30 pages. How much time will they take, working combined on two different PCs to complete the 120 page work? 10 hrs 12 hrs 20 hrs 25 hrs 3. If 8 machines can produce 560 units of a product in 10 hours, how many units will12 machines produced in 6 hours? 240 units 360 units 540 units 504 units 4. A can do a piece of work in 20 days, which B can do in 25 days. They start together, but B leaves after 5 days. In how many more days will A complete the work? 10 days 9 days 11 days 12 days 5. A can complete a piece of work in 8 days and B can complete the same work in 10 days. If they work on alternate days starting with A, in how many days will the work be completed? 2(⅘) 2(¾) 2(¼) 2(⅕) 6. A can do a piece of work in 18 days, B in 24 days, and C in 36 days. If A is assisted by B and C on every third day, in how many days will the work be completed? 3($\frac{12}{56}$) 4$\frac{12}{13}$ 3($\frac{55}{17}$) 5($\frac{13}{15}$) 7. A person alone can finish a piece of work of 500/- in 5 days. By involving another helper can finish it in just 4 days. How much A and helper contributed respectively 120 and 180 150 and 150 240 and 60 100 and 200 8. A is twice good as B and thrice good as C. If working all together, can complete a work in just 4 days. Find the time taken by A 12 days 24 days 36 days 10 days 9. A can do a job in 12 days. B is 40% as good as A. How many days B alone can do the same job. $\frac{60}{7}$ $\frac{60}{70}$ $\frac{60}{700}$ $\frac{6}{7}$ 10. A and B can do work in 5 days, B and C can do it in 10 days, A and C in 15 days. In how many days A alone can complete the work. 10 days 11 days 5 days 12 days Time's upTime is Up!
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