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Posted By: Divya       Member Level: Bronze       Posted Date: 12 Jun 2007       Category: Aptitude Test

Two persons A and B working together can dig a trench in 8 hrs while A alone can dig it in 12 hrs. In how many hours B alone can dig such a trench?



Select Answer:

24 hrs
22 hrs
21 hrs
20 rs




      
Your Test Score: 0 / 0



Next Question: A grosser purchased 80 kg of rice at Rs.13.50 per kg and mixed it with 120 kg rice at Rs. 16 per kg. At what rate per kg should he sell the mixture to gain 16%?
Previous Question: A and B can do a piece of work in 12 days ; B and C can do it in 20 days. In how many days will A, B and C finishes it working all together? Also, find the number of days taken by each to finish it working alone?
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