n terms lies between 7 and 49 in an AP.if the ratio of the fourth term and the (n-1)th term is 5 : 4, then find the value of n
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n terms lies between 7 and 49 in an AP.if the ratio of the fourth term and the (n-1)th term is 5 : 4, then find the value of n
plzzzz tell me the answer .
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