Advertisements
Advertisements
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?
विकल्प
Rs. 80
Rs. 70
Rs. 82
Rs. 72
Advertisements
उत्तर
Rs. 72
Explanation:
C's 1-day work`=1/4-(1/8+1/10)`
`=1/4-9/40⇒1/40.`
A's wages: B's wages: C's wages`=1/8: 1/10 : 1/40=5:4:1`
∴ C's share (for 4 days)`=720/10xx1=72`
= Rs. 72
APPEARS IN
संबंधित प्रश्न
Madhu takes twice as much time as Uma to complete work and Ramesh does it in the same time as Madhu and Umatogether. If all three working together can finish the work in 6 days, then the time taken by Madhu to finish the work is
16 men can do a piece of work in 16 days. 4 days after they started the work 8 more men joined them. How many days will they now take to complete the remaining work?
A and B together can do a piece of work in 12 days, while B alone can finish it in 30 days. A alone can finish the work in
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 can lay railway track between two given stations in 16 days and B can do the same job in 12 days. With help of C, they did the job in 4 days only. Then, C alone can do the job in:
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:
Vikas can complete a job in 15 days. Babin can do the same job in 10 days. In how many days can they complete the job if they work together?
Kiran can complete a task in 15 days. He works for 5 days and then leaves. If Venkat completes the remaining task in 30 days, then in how many days can Venkat alone complete the same task?
A can do a work in 6 days and B in 9 days. How many days wlll both take together to complete the work?
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.
