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Question: In a class average the mark in an exam is 70. The average of students who scored below 60 is 50. The average of students who scored 60 or more is 75. If the total number of students in this class is 20, how many students scored less than 60?
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Question: In a class average the mark in an exam is 70. The average of students who scored below 60 is 50. The average of students who scored 60 or more is 75. If the total number of students in this class is 20, how many students scored less than 60?
Question 1: In a class average the mark in an exam is 70. The average of students who scored below 60 is 50. The average of students who scored 60 or more is 75. If the total number of students in this class is 20, how many students scored less than 60?
View topic: গড় (Average)
4
8
10
16
Source: Exim Bank Ltd - Senior Officer - 30.12.2011
Answer
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Answer: 16
Explanation:
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তিনটি ক্রমিক সংখ্যার গুণফল তাদের যোগফলের ৫ গুণ; সংখ্যা তিনটির গড় কত?
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বাংলা সাহিত্যে প্রথম
Number and Gender
ডাটাবেজ ও ডাটাবেজ ম্যানেজমেন্ট সিস্টেম
ভাষা আন্দোলন ও মুক্তিযুদ্ধভিত্তিক সাহিত্য
বিবিধ সমস্যা (Miscellaneous Problem)
সংবাদপত্র, সংবাদ সংস্থা ও সম্পাদক
বয়স (Ages)
প্রবাদ-প্রবচন
এক কথায় প্রকাশ বা বাক্য সংকোচন
প্রতিশব্দ বা সমার্থক শব্দ
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