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The value of (1)/(15) + (1)/(35) + (1)/...

The value of `(1)/(15) + (1)/(35) + (1)/(63) + (1)/(99) + (1)/(143)` is

A

`(4)/(39)`

B

`(7)/(39)`

C

`(5)/(39)`

D

`(10)/(39)`

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GAGAN PRATAP -NUMBER SYSTEM-Multiple Choice Questions
  1. The value of (1)/(1xx2)+(1)/(2xx3)+(1)/(3xx4)+..... +(1)/(99xx100) is

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  2. What is the value of/का मान क्या है? 1/(3xx7)+1/(7xx11)+1/(11xx15)+......

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  3. Find the value of the expression: (1/(2^2-1)+1/(4^2-1)+1/(6^2-1)........

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  4. The value of (1)/(15) + (1)/(35) + (1)/(63) + (1)/(99) + (1)/(143) is

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  5. 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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  6. By adding 3 and 5 in numerator and denominator of a fraction it become...

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  7. The numerator of a fraction is 3 more than the denominator. When 5 is ...

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  8. The denominator of a fraction is 4 more than twice the numerator. When...

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  9. The numerator of a fraction is 6 less than its denominator. If 1 is su...

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  10. There is a number consisting of two digits, the digit in the units pla...

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  11. A two-digit number is 9 more than four times of the number obtained by...

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  12. Let XYZ be a 3-digit number.Let S=XYZ+YZX+ZXY. Which of the following ...

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  13. If a certain number of two digits is divided by the sum of its digits,...

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  14. A number consists of two digits such that the digit in the ten's plac...

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  15. When a two-digit number is multiplied by the sum of its digits, the pr...

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  16. The sum of the digits of a two-digit number is 1/7 of the number. The ...

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  17. Three numbers are in Arithmetic Progression (AP) whose sum is 30 and t...

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  18. The value of 1 + 3 + 5 + 7 + ……………. (2n - 1) is: 1 + 3 + 5 + 7 + ………...

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  19. What is the sum of the first 13 terms of an arithmetic progression, if...

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  20. The harmonic mean and the geometric mean of two numbers are 10 and 12 ...

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