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An A.P consists of 37 terms. The sum of the three middle most terms is 225 and the sum of the past three terms is 429. Find the A.P

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An A.P consists of 37 terms. The sum of the three middle most terms is 225 and the sum of the past three terms is 429. Find the A.P

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Let the middle most terms of the A.P. be (a - d), a, (a + d)

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