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If (1//2^1)+(1//2^2)+(1//2^3).....+(1//2...

If `(1//2^1)+(1//2^2)+(1//2^3).....+(1//2^10)= 1//k`, then what is the value of k?
यदि `(1//2^1)+(1//2^2)+(1//2^3).....+(1//2^10)= 1//k` है, तो k का मान क्या है?

A

A)`512//511`

B

B)`1024//1023`

C

C)`511//512`

D

D)`1023//1024`

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CHAMPION PUBLICATION-2017 TIER-II PAPER(13)-EXERCISE
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  2. PA and PB are two tangents drawn to two cricles of radius 3 cm and 5 c...

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  3. If (1//2^1)+(1//2^2)+(1//2^3).....+(1//2^10)= 1//k, then what is the v...

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  4. If sinx = 1//2 and sin y=2//3, then what is the value of [(6cos^2 x - ...

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  5. Working together A and B can do a job in 36 days, B and C in 10 days a...

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  6. A, B and C together can build a wall in 12 days. C is four times as pr...

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  7. If A = 125 and B=8, then what is the value of (A+B)^3- (A-B)^3- 6B(A^2...

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  8. If x=1/(1+1/(1+x)) and y=2/(2+1/(1+y)) then which of the following can...

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  10. 15% discount is offered on a shirt marked at Rs. 1200. But the shirt 1...

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  11. What is the sum of 1 1/2+4 1/6+7 1/12+10 1/20.....up to 20 terms? 1 ...

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  12. Height of a tower is 120 metres. The angle of elevation of the top of ...

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  13. If sin(A-B) =1//2 and cos(A+B)=1//2, then what is the value of sinA co...

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  14. In a club there are 12 wrestlers. When a wrestlers whose weight is 90k...

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  15. Which of the following statement(s) is/are true? I. 1^99+2^99+3^99+4...

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  19. O is the centre of the circle. A tangent is drawn which touches the c...

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