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Working together A and B can do a job in...

Working together A and B can do a job in 40 days, B and C in 36 days and all three together in 24 days. In how many days can B alone do the job?

A

60

B

90

C

72

D

120

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CHAMPION PUBLICATION-2017 TIER-II PAPER(7)-EXERCISE
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  3. Working together A and B can do a job in 40 days, B and C in 36 days a...

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  4. A, B and C can do a job working alone in 50, 75 and 20 days respective...

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  5. A can do 50% of the job in 16 days, B can do (1)/(4)th of the job in 2...

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  6. A and B can together complete a task in 18 hours. After 6 hours A leav...

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  7. 1 packet of biscuits costs Rs. 16 but a pack of 4 of the same packet o...

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  8. The cost price of an article is Rs. x. It is marked up by 200%. It is ...

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  9. A Rs 750 tin of cheese is offered at 8% discount and a Rs 1,250 tin o...

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  10. The selling price of an article is Rs. 816 if the discount on it is 15...

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  11. The entry ticket at a fun park was increased in the ratio 7:9, due to ...

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  12. If 6A=4B=9C ,What is A:B:C ?

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  13. If 50 less had applied and 25 less selected , the ratio of selected to...

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  14. What is the fourth proportional to 189, 273 and 153?

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  15. Rs . 11,550 has to be divided between X,Y& Z such that X gets (4)/(5) ...

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  16. Before a battle the ratio of tanks to planes in an army was 5 : 3. Dur...

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  17. The average marks of 50 students in an examination was 65. It was late...

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  18. In a class of 50 students there are 22 girls who scored an average of ...

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  19. The average of 41 consecutive odd numbers is 49. What is the largest n...

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  20. A batsman scores 87 runs in the 21st match of his career. His average ...

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