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A works thrice as much as B. If A can co...

A works thrice as much as B. If A can complete this work in 12 days, then in how many days will both A and B complete this work ?

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9 days
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ADVANCED MATHS BY ABHINAY MATHS ENGLISH-TIME & WORK -QUESTIONS
  1. A takes as much time as B and C together to complete a work. While A a...

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  2. A is 40 % more efficient than B. If B can complete this work in 24 day...

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  3. A works thrice as much as B. If A can complete this work in 12 days, t...

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  4. B works four times as much as A. If B takes 15 days less than A to com...

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  5. A is 40 % more efficient than B and B is 20 % less efficient than C. I...

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  6. Ratio of efficiency of P and Q is 3 : 4. Find the ratio of number of d...

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  7. Efficiency of A is (3)/(4) of B's efficiency and B's efficiency is 80...

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  8. A and B can finish a certain piece of work in 4 days. If A reduces his...

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  9. The ratio of efficiency of A and B is 3 : 5 and that of B and C is 2 :...

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  10. A and B working together can finish certain piece of work in 10 days. ...

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  11. A takes three times as long as (B + C) together to complete a work. B ...

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  12. B takes two times as long as (A + C) together to complete a work. C ta...

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  13. A does half as much work as B in one-sixth of the time.If together the...

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  14. A does half as much work as B in three-fourth of the time. If together...

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  15. A, B and C can do a work in 25, 40 and 60 days respectively. All three...

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  16. A, B and C can do a work in 10, 12 and 15 days respectively. All three...

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  17. A and B can do a work in 20 and 30 days respectively. They start the w...

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  18. (A + B) together can complete a job in 8 days. Both B and C working al...

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  19. A can complete a work in 18 days, B can do the same work in half the t...

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  20. B takes two times time as long as (A + C) together take to complete a ...

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