Math, asked by dishadeepanjali, 1 year ago

the mean of 15 no.s is 20 and the mean of first 8 no.s is 19 while that of last 8 is 23.calculate the 8th term.

Answers

Answered by NikitaR
2
if the mean of 15 no's =20
their sum = 15*20=300
if the mean of 8 no's=19
their sum 8*19=184
therefore,
8th term = 152+184-300
=336-300
=36
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