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Which term of the following sequences (...

Which term of the following sequences
(a) `2,2 sqrt2, 4, . . .` is `128 ?`
(b) `sqrt3, 3,3 sqrt3` in..., is `729 ?`
(c) `1/3, 1/9, 1/27, . . . .` is `1/(19683)` ?

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V PUBLICATION-SEQUENCES AND SERIES-QUESTIONBANK
  1. The 5^th, 8^th and 11^th terms of a GP are p, q and s respectively. Pr...

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  2. The 4^(th) term of a G.P. is square of its second term and the first t...

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  3. Which term of the following sequences (a) 2,2 sqrt2, 4, . . . is 128 ...

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  4. For what value of x, the numbers -2/7,x.-7/2 are in G.P ?

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  5. Find the sum to 20 terms of 0.15,0.015,0.0015,..

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  6. Find the sum to n terms of the G.P.sqrt7,sqrt21,3sqrt7…

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  7. Find the sum to n terms of the G.P. 1,-a,a^2,-a^3,...(ane-1)

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  8. Find the sum to n terms of the G.P.x^3,x^5,x^7,…(xne+-1)

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  9. Evaluate underset(K=1)overset11sum(2+3^K)

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  10. The sum of the first three terms of a GP is (39)/(10) and their produc...

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  11. How many terms of GP 3,3^2,3^3,..... are needed to give the sum 120?

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  12. The sum of the first three terms of a G. P is 16 and the sủm of the ne...

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  13. Given.a G. P. with a=729 and 7^ (th) term 64, determine S7 ?

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  14. The sum of the first two terms of a GP Is -4 and the fifth term is 4 t...

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  15. If the 4 ^(th), 10^(th) and 16^ (th) terms of a G . P are x, y and z ...

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  16. Find the sum to n terms of the series: 8, 88, 888,…..

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  17. Find the sum of the products of the corresponding terms of the sequenc...

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  18. Find four numbers forming a geometric progression.in which the third t...

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  19. If the p^th,q^th and r^th terms of a GP are a,b,c respectively, show t...

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  20. If the first and the n^( th) term of a .G. P are a and b, respectivel...

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