16
17
18
20
Source: সিজিডিএফ এর কার্যালয় অডিটর ১৫. ০৩. ২০১৯
Answer: 16
Explanation:
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৫ টি সংখ্যার গড় ৪০ । এর সাথে ৩ টি সংখ্যা যোগ করা হলো, সংখ্যা তিনটির গড় ২২। সমষ্টিগতভাবে ৮ টি সংখ্যার গড় কত?
The average mark obtained by 10 students was 6 and the average mark obtained by 6 other students was 10. What was the average mark obtained by all 16 students?
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