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In an arithmetic progression of 50 terms...

In an arithmetic progression of 50 terms, the sum of first ten terms is 210 and the sum of last fifteen terms is 2565. Find the arithmetic progression.

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The correct Answer is:
AP is `3, 3+4, 3+2(4) , …....., 3+ 49(4) `
`3,7, 11, …... 199`.
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