Math, asked by azer, 1 year ago

the mean of 7 observation is 42 and sum of first 6 observation is 35 find 7th observation

Answers

Answered by Theabhaykumarsingh

1

mean of 7 observations=42
sum of 7 observations=7*42=294
sum of 6 observations=35
7th observations=294-35=259

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