Question
The average marks of Madhu in four subjects are 64, and
she got 69 marks in the fifth subject. What is the new average of marks obtained by Madhu in 5 subjects?Solution
average of 4 subject =64 total number in 4 subject =4×64 =256. in 5th subject marksd=69 total marks in 5 subject =256+69=325 new average of 5 subject =325/5 =65.
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