Question
The average marks obtained by Saloni in four papers is
51, and in the fifth paper she gets 56 marks. Find her new average in all five papers.Solution
ATQ, Average marks obtained by Madhu in four papers = 51 Sum of marks obtained by Madhu in four papers  = 51 × 4 = 204 Number of marks in fifth paper = 56 Sum of all five papers = = 204 + 56 = 260 Average of all five papers = 260/5 = 52
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