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Find the indicated term of each G.P. a...

Find the indicated term of each G.P.
`a_1=768, r = 1/2`, find `a_6`.

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BEYOND PUBLICATION-PROGRESSIONS-EXERCISE
  1. Find the 20^(th) term and n^(th) term of the G.P. 4,12,36…. .

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  2. Find the indicated term of each G.P. a1=1,r = 1.2, find a4

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  3. Find the indicated term of each G.P. a1=768, r = 1/2, find a6.

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  4. Which term of the G.P. 2,2sqrt2, 4,…..is 64?

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  5. Which term of the G.P. 5,15,45,…. Is 3645?

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  6. Which term of the G.P. 4,2,1….is 1/128?

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  7. Determine the 18^(th) term of a G.P. whose 5^(th) term is 1 and commo...

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  8. Find the value (s) of x so that 1, 3x-2, 1/9 are three consecutive ter...

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  9. The 5^(th),8^(th) and 11^(th) terms of a G.P. are p,q and s respective...

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  10. The first term of a G.P. is 9 and 5^(th) term is 1/729? Which term of ...

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  11. The 8^(th) term of a G.P. is 192 and its 11^(th) term is 1536, which t...

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  12. If the seventh term of a G.P. is 27 and its 21^(st) term is 243, find ...

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  13. How many terms of A.P. -6, (-11)/2 , -5 …… are needed to obtain a sum ...

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  14. The sum of natural numbers from 1 to 100 is

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  15. The sum of first 50 even numbers is

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  16. The sum of first 20 odd numbers is

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  17. If x-1, x+3, 3x-1 are in A.P., then x is equal

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  18. The numbers -15, -11,-7,-3, is …………is

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  19. The next term of the A.P. sqrt(48), sqrt(75),sqrt(108), sqrt(147), …...

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  20. Which term of the A.P. 24,21,18,… is the first negative?

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