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Fifth term of a GP is 2, then the produc...

Fifth term of a GP is 2, then the product of 1ts 9 terms is

A

256

B

512

C

1024

D

None of these

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The correct Answer is:
B
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NEW JOYTHI PUBLICATION-SEQUENCES AND SERIES -QUESTIONS FROM COMPETITIVE EXAMS
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  5. Fifth term of a GP is 2, then the product of 1ts 9 terms is

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  6. If the system of linear equations x + 2ay + az = 0,x + 3by + bz = 0,x ...

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  8. The sum of the series 1/1.2 - 1/2.3 + 1/3.4 … upto infty is equal to

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  11. The sum of first n terms of the series 1(2) + 2.2^(2) + 3^(2) + 2.4^(2...

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  12. The sum of series 1/2! + 1/4! + 1/6! + …….. is

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  13. If the coefficients of r^(th),(r + 1)^(th) and (r + 2)^(th) terms in t...

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  14. If 0 lt phi lt (pi)/(2) , x= sum(n=0)^(oo) cos^(2n) phi ,y sum (n...

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  17. If a(1), a(2) , ……. A(n) are in H.P., then the expression a(1)a(2) + a...

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  18. The sum of the series 1/(2!) - 1/(3!) + 1/(4!) - …….. upto infinity is

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  19. In a geometric progression consisting of positive terms each term equa...

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  20. The first two terms of a geometric progression add up to 12. The su...

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