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The first term of an AP is 5, the last term is 45 and the sum is 400. Find the number of terms and the common difference:

asked Mar 13, 2018 in Mathematics by paayal (26,720 points)

1 Answer

answered Mar 13, 2018 by sanjaydas (61,430 points)
selected Mar 15, 2018 by faiz

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The first term of an AP is 5, the last term is 45 and the sum is 400. Find the number of terms and the common difference:

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