The average of 20 numbers is zero. Of them, at the most, how many may be greater than zero ?

The average of 20 numbers is zero. Of them, at the most, how many may be greater than zero ? ?

Created: 1 year ago | Updated: 1 week ago | Created By:

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Institution: Janata Bank Ltd Exam: Janata Bank Ltd - Asst. Executive Officer - 09.01.2015 ||
Topic: Mathematics (সাধারণ গণিত) Subject: Mathematics (সাধারণ গণিত)

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Worker A takes 8 hours to do a job . Worker B takes 10 hours to do the same job. How long should it take both A and B, working together but independently , to do the same job?

The average of 20 numbers is zero. Of them, at the most, how many may be greater than zero ? ?

Worker A takes 8 hours to do a job . Worker B takes 10 hours to do the same job. How long should it take both A and B, working together but independently , to do the same job?

২০০০ সালের ফেব্রুয়ারী মাসের দৈনিক বৃষ্টিপাতের গড় ০.৫৫ সে.মি । ঐ মাসের মোট বৃষ্টিপাতের পরিমাণ কত?

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