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Question: The average of a group of 10 students is 15 years. When 5 more students joined the group, the average age rose by 1 year. What is the average age of the newly joined students?
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Question: The average of a group of 10 students is 15 years. When 5 more students joined the group, the average age rose by 1 year. What is the average age of the newly joined students?
Question 1: The average of a group of 10 students is 15 years. When 5 more students joined the group, the average age rose by 1 year. What is the average age of the newly joined students?
View topic: গড় (Average)
16
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18
19
Source: One Bank Ltd - Special Cadre Officer - 01.04.2017
Answer
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Answer: 18
Explanation:
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তিনটি ক্রমিক সংখ্যার গুণফল তাদের যোগফলের ৮ গুণ। সংখ্যার গড় কত?
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১০ টি সংখ্যার যোগফল ৪৬২। প্রথম ৪টির গড় ৫২ এবং শেষ ৫টির গড় ৩৮। পঞ্চম সংখ্যাটি কত?
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বাচ্য ও বাচ্য পরিবর্তন
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