Math, asked by shanmugam4744, 1 year ago

Average of 21 number is 18.Average of 1st 7 numbers is 12.Average of next 6 numbers is 19 and the average of next 7 numbers is 14.Find the last number

Answers

Answered by Ramakrishna000

5

Answer:

18×21=378

7×12=84

19×6=114

7×14=98

84+114+98=296

378-296=82

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