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A manufacturer of TV sets produced 600 s...

A manufacturer of TV sets produced 600 sets in the third year and 700 sets in the seventh year. Assuming that the production increases uniformly by a fixed number every year, find:
(i) the production in the 1st yea
(ii) the production in the 10th year
(iii) the total production in first 7 years Solution :

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VGS PUBLICATION-BRILLIANT-PROGRESSIONS-EXERCISE
  1. Find the sum of first 24 terms of the list of numbers whose n^(th) ter...

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

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

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

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

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

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

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

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

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

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

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

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

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

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  15. In an AP: (iv) Given a(3) = 15, S(10) = 125, find d and a(10).

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  16. In an AP: (v) Given a = 2, d = 8, S(n) = 90, find n and a(n).

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  17. In an AP: (vi) Given a(n) = 4, d = 2, S(n) = -14, find n and a.

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  18. In an AP: (vii) Given l = 28, S = 144, and there are total 9 terms. ...

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  19. The first and the last terms of an A.P. are 17 and 350 respectively. I...

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  20. Find the sum of first 51 terms of an AP whose second and third terms a...

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