Question
Download Solution PDF12টি সংখ্যার গড় 15 । যদি সংখ্যা 41 অন্তর্ভুক্ত করা হয় তবে এই 13টি সংখ্যার গড় কত হবে?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFসংখ্যার গড় = মোট সংখ্যার যোগফল / মোট সংখ্যা
প্রথম 12টি সংখ্যার গড় হল 15
12টি সংখ্যার যোগফল = 15 × 12 = 180
নতুন সংখ্যা 41 কেও অন্তর্ভুক্ত করা হল
13টি সংখ্যার গড় = (12টি সংখ্যার যোগফল + 13 নম্বর সংখ্যা)/13
গড় = (180 + 41)/13 = 221/13 = 17
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