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An infinite G.P has first term x and sum...

An infinite G.P has first term `x` and sum `5` then `x` belongs

A

`xlt-10`

B

`-10ltxlt0`

C

0ltxlt10`

D

`xgt10`

Text Solution

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The correct Answer is:
C
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QUANTUM CAT-SEQUENCE, SERIES & PROGRESSIONS-QUESTION BANK
  1. Find the sum of n terms of the series 1.3.5.+3.5..7+5.7.9+...

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  2. What is the sum of 100 terms of the series 1-2+3-4+5-6+…. ?

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  3. An infinite G.P has first term x and sum 5 then x belongs

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  4. The next term of the sequence 1,5,14,30,55,... is

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  5. The nth term of an A.P. is (5n-1). Find the sum of its 'n' terms.

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  6. A can do work in 18 days. he work at it for 12 days and B finished th...

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  7. If q = 9999 , find the value of q ( q + 2 ) is:

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  8. If 0ltalt1 and 9leble10, then

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  9. An A.P. whose first term is unity and in which the sum of the first ha...

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  10. The number of divisors of 187, 637 and 1001 are in:

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  11. The sum of n terms of the series 1^2 + (1^2 + 3^2) + (1^2 + 3^2 + 5...

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  12. If |a| lt 1 and |b| lt 1 , then the sum of the series a(a+b) + a^2...

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  13. Find the sum to n terms of the series 3//(1^2xx2^2)+5//(2^2xx3^2)+7//(...

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  14. The natural numbers are written as follows : The sum of numbers...

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  15. The number ubrace(1111.....1)("119 times") is a:

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  16. The interior angles of a polygon are in A.P. If the smallest angle is ...

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  17. log(10)10+log(10)10^(2)+ . . .+log(10)10^(n)

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  18. The value of 0.1bar23 is:

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  19. If n is a positive integer, then ubrace(111...1)("2n times")-ubrace(22...

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  20. One side of an equilateral triangle is 24 cm. The midpoints of its sid...

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