Math, asked by dinirohilabhan, 1 year ago

If mean of 5 numbers is 27. If one no. Is excluded, the mean gets reduced by 2. Determine the excluded no

Answers

Answered by komi1

22

we know that (very import formula in IIT)
when we divide , multiply substrate and add from average the mean also gets increased by that number

Answered by deathrider1

64

mean of 5 no=27
27*5=135

mean of 6no=25
6*25=150

exclude no is 150-135=15

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