Economy, asked by yash999857, 8 months ago

The arithmetic mean of a series of 40 items was calculated by a student as Rs 270 .But while calculating it an item Rs 115 was misread as Rs 150. Find the correct arithmetic mean

Answers

Answered by rahulchaudhary14

20

Explanation:

arithmetic mean

150-115

=35

subtract 35 from 270

270-35

=235 is correct answer

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