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For each geometric progressions find the...

For each geometric progressions find the common ratio 'r'. And then find `a_(n)`.
(i) `3,3/2, 3/4, 3/8`,……
(ii) `2,-6, 18, -54`
(iii) `-1,-3,-9, -27`,…..
(iv) `5,2, 4/5, 8/25`,…..

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VGS PUBLICATION-BRILLIANT-PROGRESSIONS-EXERCISE
  1. For each geometric progression find the common ratio 'r', and then fin...

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  2. For each geometric progression find the common ratio 'r', and then fin...

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  3. For each geometric progressions find the common ratio 'r'. And then f...

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  4. Find the 10^(th) and n^(th) term of G.P. : 5, 25, 125,…..

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  5. Find the indicated term of each geometric progression. (i) a(1) = 9,...

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  6. Find the indicated term of each geometric progression. (ii) a(1) = -...

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  7. Which term of the G.P. (i) 2, 8, 32,….is 512?

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  8. Which term of the G.P. (ii) sqrt(3), 3, 3sqrt(3),…… is 729?

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  9. Which term of the G.P. 1/3, 1/9, 1/27,………. is 1/(2187)?

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  10. Find the 12^(th) term of a G.P. whose 8^(th) term is 192 and the commo...

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  11. The 4^(th) term of a geometric progression is 2/3 and the seventh term...

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  12. If the geometric progressions 162, 54, 18, …….. And 2/81, 2/27,2/9,…. ...

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  13. Which term of the AP : 121, 117, 113, ….., is the first negative term?...

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  14. The sum of the third and the seventh terms of an AP is 6 and their pro...

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  15. A larger has rungs 25 cm apart. The rungs decrease uniformaly in lengt...

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  16. The house of a row are numbered consecutively form 1 to 49. Show that ...

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  17. A small terrace at a football ground comprises of 15 steps each of whi...

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  18. 150 workers were engaged to finish a piece of work in a certain number...

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  19. A machine costs Rs. 5,00,000. if the value depreciates 15% in the firs...

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  20. The hand borewell driller charges Rs. 200 for the first one meter only...

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