Math, asked by herosandeep93, 22 days ago

The average of 20 numbers is 75. The number 86 was incorrectly read as 68 while calculating. Find the correct average.

without doing with X​

Answers

Answered by nikamramkrushna11
0

I hope you satisfy by the answer

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Answered by gire90082
0

Answer:

If the average of 20 numbers was calculated as 75, then the sum must have been calculated as 75×20 = 150×10 = 1500.

If 86 was misread as 68, then the true sum should be 1500-68+86 = 1518. The true average would then be 1518/20 = 759/10 = 75.9

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