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Eighth term of G.P is 128 and common rat...

Eighth term of G.P is 128 and common ratio is r = 2 then product of first 5 terms = ......... .

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1024
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KUMAR PRAKASHAN-OBJECTIVE SECTION AS PER NEW PAPER SCHEME -Sequence and Series (Fill in the blanks )
  1. If 25, x - 6 and x - 12 are in G.P then x = .......... or ......... .

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  2. Third term of G.P. is 3 then product of its first 5 terms is ............

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  3. Eighth term of G.P is 128 and common ratio is r = 2 then product of fi...

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  4. For an G.P. a = 16 and fifth term is 81 then common ratio ........

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  5. How many terms of G.P. 3, 3^2, 3^3, … are needed to give the sum 120?

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  6. Find the 20th and nth term of the GP. 5/2, 5/4, 5/8………

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  7. A1 and A2 are arithmetic mean between a and b also G1 and G2 are geome...

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  8. For numbers 6 and 24, A - G = ...... .

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  9. 10 is Geometric mean between 5 and x then x = ......... Where x in R^(...

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  10. 12 is arithmetic mean between x and 22 then x = ............

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  11. 10 arithmetic mean between a and b are A(1),A(2),A(3).........A(10) th...

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  12. If sumn = 55 then sumn^2 . = ...............

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  13. sum(r=1)^n(2r+1)=...... .

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  14. Sum of the series 1-(1)/(2)+1/(2^2)-1/(2^3)+............oo=.........

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  15. .......... is the 20^(th) term of sequence a(n)=(n-1)(2-n) (n-3).

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  16. 3,(9)/(2),6,(15)/2 ............ Sequence has 10^(th) term a(10) = .......

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  17. 9^(th) term of arithmetic sequence is 30 then sum of its 17 terms .......

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  18. Third term of arithmetic sequence is 9 and tenth term is 21. Then sum ...

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  19. For arithmetic sequence a = 2 and a5 = 14 then d = ........

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  20. For arithmetic sequence a(8) =23 common difference d = 5 then a = .......

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