If x can finish a Job in 4 hours and y can finish the same Job in 8 hours independently, then they together will finish the Job in1). 140 minutes2). 160 minutes3). 120 minutes4). 150 minutes
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1. A can do a work in 36 days and B in 12 days. If they work on it together, then in how many days will they be able to do the work?
2. 10 men can complete a piece of work in 15 days and 15 women can complete the same work in 12 days. If all the 10 men and 15 women work together, in how many days will work get completed?
3. Rahul and Ravi undertook to do a piece of work for Rs. 9000. Rahul alone could do the work in the 16 days and Ravi in 24 Days. With the assistance Kamlesh, they finished the work in 8 days. How much money should be given to Kamlesh?
4. 4 men and 3 women finish a job in 6 days, and 5 men and 7 women can do the same job in 4 days. How long will 1 man and 1 woman take to do the work ?
5. If 28 men complete $\frac{7}{8}$ of a piece of work in a week,then number of men,who must be engaged to get the remaining work completed in another week, is
6. 10 women can complete a work in 8 days and 10 children take 12 days to complete the work. How many days will 6 women and 3 children together take to complete the work?
7. Mona can bake 40 cakes in 8 hours, Mona and Daisy together can bake 120 cakes in 20 hours. How many cakes can Daisy bake in 60 hours?
8. A can do a work in 4 days and B can do the same work in 5 days. The contract for the work is Rs 945. How much shall A get if both of them work together ?
9. Twelve men can complete a piece of work in 32 days. The same work can be completed by 16 women in 36 days and by 48 boys in 16 days. Find the time taken by one man, one woman and one boy working toget
10. C is 5 times as productive as B. A takes 60 days to complete a task. If A, B and C work together they can complete the task in 12 days. In how many days can B complete the task if he worked alone?
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