A cricketer played 80 innings and scored an average of 99 runs. His score in the

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Question
A cricketer played 80 innings and scored an average of 99 runs. His score in the last inning is zero run. To have an average of 100 at the end, his score in the last innings should have been.
Options
A. 10 runs
B. 1 runs
C. 60 runs
D. 80 runs

Correct Answer

80 runs

Explanation

Let the required runs be N.

According to the question,
(80 x 99 + N) / 80 = 100
? 7920 + N = 8000
? N = 80

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