Economy, asked by nivedithaanil6455, 6 months ago

The mean of a certain number of observation is 40 if two or more items with value 50 and 64 are added to this data the mean is rises to 42 .find the number of item in the original data.

Answers

Answered by dhimanrajni896

0

Answer:

SORRY THIS I DON'T KNOW

Explanation:

PLEASE MARK AS BRAINLIEST

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