Sum of first five terms of an AP is 25 and the sum of its next five terms is -75.Find the AP

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Sum of first five terms of an AP is 25 and the sum of its next five terms is -75.Find the 10th term of AP
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The sum of first seven terms of an AP is 182.If its 4th and 17th terms are in the ratio 1:5.Find the AP / Arithmetic Progressions Class 10 Board Important Question
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