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Sum of the first 14 terms of an AP is 15...

Sum of the first 14 terms of an AP is 1505 and its first term is 10. Find is 25th term.

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Sum of the first 14 terms of an AP is 1505 and its first term is 10. Find is 25 th term.

If the sum of the first 14 terms of an AP is 1050 and its first term is 10, find the 20^(th) term.

If the sum of first 14 terms of an A.P. is 1050 and its first term is 10, find the 20^(th) term.

The sum of first 14 terms of an AP is 1050 and its first term is 10, then find the 21st term of the AP.

The sum of the first 9 terms of an AP is 81 and that of its first 20 terms is 400. Find the first term and the common difference of the AP

The sum of15 terms of an A.P. is zero and its 4th term is 12. Find its 14th term.

Sum of first 10 terms of an AP is 100 andfirst 25 terms is 625. Find the numberof terms in it, whose sum is 441.

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 first term of an AP is p and its common difference is q. Find its 10th term.

RD SHARMA-ARITHMETIC PROGRESSIONS-All Questions
  1. In an A.P., the first term is 2, the last term is 29 and sum of the te...

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  2. In an AP, the sum of first ten terms is -150 and the sum of its next t...

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  3. Sum of the first 14 terms of an AP is 1505 and its first term is 10. F...

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  4. The sum of first n terms of an A.P. is 5n^2+3n If its mth term is 168,...

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  5. The sum of first q terms of an A.P. is 63 q-3q^2 . If its p t h ...

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  6. The sum of first m terms of an A.P. is 4m^2-m . If its n t h ter...

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  7. the A.P. nth term of an A.P. is given by (-4n + 15). Find the sum of f...

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  8. Find the number of terms of the A.P. -12 ,\ -9,\ -6,\ dot,\ 12 . If...

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  9. The sum of first n terms of an A.P. is 3n^2+4n . Find the 25 t h...

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  10. The sum of first seven terms of an A.P is 182. If its 4(th) term and 7...

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  11. The sum of the first n terms of an A.P. is 3n^2+6n . Find the n ...

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  12. The sum of the first 7 terms of an AP is 63 and the sum of its next 7 ...

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  13. If Sn denotes the sum of the first n terms of an A.P., prove tha...

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  14. The sum of first n terms of an A.P. is 5n-n^2 . Find the n t h t...

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  15. The sum of the first n terms of an A.P. is 4n^2+2n . Find the n ...

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  16. If the 10 t h term of an A.P. is 21 and the sum of its first ten te...

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  17. The first and the last terms of an AP are 7 and 49 respectively. If...

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  18. If Sn denotes the sum of first n terms of an A.P., prove that S(...

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  19. If the sum of the first n terms of an A.P. is 1/2(3n^2+7n), then find ...

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  20. The sum of first 9 terms of an A.P. is 162. The ratio of its 6th t...

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