Question
The average score of 28 players in a team is 73. After
two new players with scores (x + 8) and (x - 6) joined, the average score decreased by 2 points. What is the value of (x - 20)?Solution
ATQ,
30 × 71 - 28 × 73 = x + 8 + x - 6 Or, 2x + 2 = 2130 - 2044 Or, 2x = 84 Or, x = 42 Therefore, required value = 42 - 20 = 18
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