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If the sum of the first 14 terms of an A...

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

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If the sum of the first 14 terms of an A.P is 1050 and its first term is 10 , find the 56^(th) term .

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VGS PUBLICATION-BRILLIANT-PROGRESSIONS-EXERCISE
  1. Find the sum of indicated number of terms in each of the following A.P...

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  2. Find the sum of indicated number of terms in each of the following A.P...

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  3. If the sum of the first 14 terms of an AP is 1050 and its first term i...

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  4. How many terms of the AP : 24, 21, 18 .... . Must be taken so that the...

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  5. Find the sum of: (i) the first 1000 natural numbers, (ii) the first ...

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  6. Find the sum of : the first n natural numbers

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  7. Find the sum of first 24 terms of the list of numbers whose n^(th) ter...

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  8. A manufacturer of TV sets produced 600 sets in the third year and 700 ...

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  9. A manufacturer of TV sets produced 600 sets in the third year and 700 ...

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  10. A manufacturer of TV sets produced 600 sets in the third year and 700 ...

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  11. Find the sum of the following Aps, (i) 2,7,12,…..to 10 terms. (ii)...

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  12. Find the sum of the following APs. (ii) -37 , -33, -29,……., to 12 te...

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  13. Find the sum of the following APs. (i) 2,7,12,……., to 10 terms.

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  14. Find the sum of the following APs. (iv) 1/15, 1/12, 1/10,……, ot 11 t...

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  15. Find the sums given below: (i) 7+10(1)/(2)+14+…….+84.

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  16. Find the sums given below: (ii) 34+32+30+….+10.

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  17. Find the sums given below: (iii) -5+(-8)+(-11)+……+(-230)

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  18. In an AP: (i) Given a = 5, d = 3, a(n) = 50, find n and S(n).

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  19. In an AP: (ii) Given a = 7, a(13) = 35, find d and S(13).

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  20. In an AP: (iii) Given a(12) = 37, d = 3, find a and S(12).

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