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[" 25.If the sums of "n" terms of two ar...

[" 25.If the sums of "n" terms of two arithmetic progressions are in the ratio "(3n+5)/(5n+7)" ,then their "],[n^(" th ")" terms are in the ratio "],[[" (a) "(3n-1)/(5n-1)," (b) "(3n+1)/(5n+1)," (c) "(5n+1)/(3n+1)," (d) "(5n-1)/(3n-1)]]

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