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Let A and B work together.It takes time,...

Let A and B work together.It takes time, A alone to do that work.It will take 4 days more and B alone It will take 16 days more to complete the work. If both of them work together then complete the work How many days will it take to complete the work if both of them worked together?
A और B को मिलकर काम करने में जितना समय लगता है, A को अकेले वह काम करने में 4 दिन अधिक लगेंगे और B को अकेले वह काम पूरा करने में 16 दिन अधिक लगेंगे। यदि वे दोनों मिलकर काम करें तो काम को पूरा करने में कितने दिन लगेंगे?

A

10 days

B

12 days

C

6 days

D

8 days

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CHAMPION PUBLICATION-2011 TIER-II PAPER(23)-EXERCISE
  1. While selling, a businessman allows 40% discount on the marked price a...

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  2. Pipe A can fill a tank in 3 hours, pipe B can fill in 4 hours. and Pip...

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  3. Let A and B work together.It takes time, A alone to do that work.It wi...

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  4. 240 men can finish a work in 20 days working 5 hours a day. To finish ...

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  5. 2 men and 5 women can do a work in 12 days. 5 men and 2 women can do t...

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  6. By selling an article at 3/4th of the marked price, there is a gain of...

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  7. A and B earn in the ratio 2: 1.They spend in the ratio 5: 3 and save i...

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  8. The ratio of the sum of two numbers and their difference is 5: 1. The ...

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  9. Successive discounts of 10%, 20% and 50% will be equivalent to a singl...

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  10. A retailer offers the following discount schemes for buyers on an arti...

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  11. A mixture contains 80% acid and rest water. Part of the mixture that s...

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  12. An employer reduces the number of his employees in the ration 9:8 and ...

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  13. The batting average for 40 innings of a cricket. player is 50 runs. Hi...

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  14. A and B are two alloys of gold and copper prepared by mixing metals in...

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  15. In a laboratory, two bottles contain mixture of acid and water in the...

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  16. The average the three numbers is 154. The first number is twice the se...

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  17. The average salary of all the staff in an office of a corporate house ...

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  18. The average marks of 40 students in an English exam is 72. Later it is...

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  19. Of three numbers, the second is thrice the first and the third number ...

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  20. A car covers 1/5 of the distance from A to B at the speed at 8 km/hr, ...

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