A student obtained 60, 75 and 85 marks respectively in 3 monthly examinations in physics and 95 marks in in the final examination. The 3 monthly examinations are of equal weithtage whereas the final examination is weighted twice as much as monthly examination. what is his average mark in physics?
Solution
Correct Answer: Option A
যেহেতু ফাইনাল পরীক্ষায় প্রাপ্ত 95 নম্বরকে 2 বার গণনা করা হয় সেহেতু ,
গড় =(60+75+85+95+95)/5
=410/5
=82
গড় =(60+75+85+95+95)/5
=410/5
=82
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