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3 men and 4 women can earn Rs. 3780 in 7...

3 men and 4 women can earn Rs. 3780 in 7 days. 11 men and 13 women can earn Rs. 15040 in 8 days. In what time will 7 men and 9 women earn R. 12400?

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RS AGGARWAL-TIME AND WORK-All Questions
  1. 9 children can complete a piece of work in 360 days. 18 men can com...

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  2. 2 men and 3 boys can do a piece of work in 10 days while 3 men and ...

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  3. 3 men and 4 women can earn Rs. 3780 in 7 days. 11 men and 13 women ...

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  4. Ayesha can complete a piece of work in 16 days. Amita can complete ...

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  5. In a certain factory there are five workers A ,\ B ,\ C ,\ D and E ...

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  6. A tyre has two punctures. The first puncture alone would have made the...

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  7. A can knit a pair of socks in 3 days. B can knit the same pair in 9...

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  8. A can complete a work in 6 days while B can complete the same work ...

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  9. A can do a piece of work in 8 days and B can do the same piece of work...

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  10. George takes 8 hours to copy a 50-page manuscript while Sonia can c...

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  11. A and B together complete a piece of work in T days. If A alone comple...

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  12. Reena, Aastha and Shloka can independently complete a piece of work...

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  13. A man can do a job in 15 days. His father takes 20 days and his son fi...

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  14. Amit and Sumit can plough a field in 4 days. Sumit alone can plough th...

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  15. Two spinning machines A and B can together produce 3,00,000 metres ...

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  16. A can lay railway track between two given stations in 16 days and B...

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  17. A can complete 1/3 of a work in 5 days and B, 2/5 of the work in 10 da...

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  18. X can do 1/4 of a work in 10 days, Y can do 40% of the work in 40 days...

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  19. A man and a boy together can do a certain amount of digging in 40 d...

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  20. A takes twice as much time as B or thrice as much time as C to fini...

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