The sum of an A.P with 15 terms is 180 . Then the 8th term is
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Sunil Chhetri
Indian footballer
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Sunil Chhetri
Indian footballer
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Sum of n terms in arithmetic progression is
n/2(2a+(n-1)d)
Hence 15/2(2a+14d)=180
So 15(a+7d)=180
Hence a+7d=12
Hence 8th term =12
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