Question
Determine the average marks achieved by six additional
aspirants if the average score of 24 aspirants in a mock test is 67. Adding the marks of these six more aspirants increases the overall average by 2.75. Find the average marks obtained by these additional six aspirants.Solution
ATQ, Total marks scored by 24 aspirants = 24 × 67 = 1608 Total marks scored by 30 aspirants = 30 × 69.75 = 2092.5 Total marks scored by six aspirants who are added later = 2092.5 – 1608 = 484.5 Desired ratio = 484.5/6 = 80.75
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