Advertisements
Advertisements
प्रश्न
Choose the most appropriate option
‘A’ and ‘B’ complete a work in 12 days, ‘B’ and ‘C’ in 8 days and ‘C’ and ‘A’ in 16 days. ‘A’ left after working for 3 days. In how many days more will ‘B’ and ‘C’ finish the remaining work?
पर्याय
`3 3/4`
`4 3/4`
`6 5/6`
`7 3/4`
Advertisements
उत्तर
`4 3/4`
Explanation:
A, B, and C together can do work in
`=(2xx12xx8xx16)/(12xx8+8xx16+16xx12)`
`=96/13` days
Work is done by all in 3 days`=13/96xx3=39/96`
∴ Remaining work`=1-39/96=57/96`, which is to done by B and C.
∴ B and C can do the remaining work in `57/96xx8`
∴`57/12=4 3/4` days.
APPEARS IN
संबंधित प्रश्न
Choose the most appropriate option.
A can do a piece of work in 8 days and B alone can do the same work in 10 days. A and B agreed to do the work together for Rs. 720. With the help of C, they finished the work in 4 days. How much C is to be paid?
A, B, and C get ₹5400 for doing work in 36 days. A and C get ₹1880 for doing the same work in 20 days, which B and C get ₹3040 for doing the same work in 40 days. Find the amount received by C per day.
Two pipes P and Q can fill a tank in 15 min and 20 min, respectively. Both the pipes are opened together but after 4 min, pipe P is turned off. What is the total time required to fill the tank?
15 men can do a work in 20 days. If there are 25 men, how many days will it take to complete the work?
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:
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?
Puja is 30% less efficient than Poonam. If Poonam takes 20 days to do a job, how many days would Puja take to do the work.
8 men can finish half of the work in 3 days. If the remaining work is to be completed in 2 days. then the no. of additional men required are?
26 men can complete a piece of work in 17 days. How many more men must be hired to complete the work in 13 days?
Five men can complete a piece of work in 24 days. In how many days will 12 men complete the same piece of work?
