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The sum of first 7 terms of an A.P. is 1...

The sum of first 7 terms of an A.P. is 10 and that of next 7 terms is 17. Find the progression.

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The sum of first 7 terms of an A.P.is 10 and that of next 7 terms is 167. Find the progression.

The sum of the first 7 terms of an A.P is 10 and that of next 7 terms is 17. Find the progression.

The sum of first 7 terms of an AP is 63 and the sum of next 7 terms is 161. Find a_(28) .

The sum of first 7 terms of an A.P. is 49 and that of first 17 terms of it is 289. Find the sum of first n terms.

If the sum of first 7 terms of an A.P. is 49 and that of its 17 terms is 289, find the sum of first n terms of the A.P.

The sum of the first 7 terms of an AP is 63 and the sum of its next 7 terms is 161. Find the 28 th term of this AP.

The sum of the first 7 terms of an AP is 63 and the sum of its next 7 terms is 161. Find the 28th term of this AP.

The sum of the first 7 terms of an AP is 63 and the sum of its next 7 terms is 161. Find the 28th term of this AP.

The sum of first 8 terms of an A.P. is 64 and that of first 15 terms is 225. Find the sum of its first 17 terms.

The sum of first 8 terms of an A.P. is 64 and that of first 15 terms is 225. Find the sum of its first 17 terms.