Home
Class 14
MATHS
The additive inverse of S, where S =1 ...

The additive inverse of S, where
`S =1 - 2 + 3 -4 + 5 -6 + 7 - 8 + ...+ 49 - 50` is

A

`-25`

B

1

C

0

D

25

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • NUMBER SYSTEM

    BHARDWAJ ACADEMY|Exercise CHAPTER EXERCISE |100 Videos

  • MENSURATION

    BHARDWAJ ACADEMY|Exercise CHAPTER EXERCISE (Previous Years. Questions)|33 Videos

  • PROBLEMS BASED ON ARITHMETIC

    BHARDWAJ ACADEMY|Exercise Chapter Exercise|72 Videos
BHARDWAJ ACADEMY-NUMBER SYSTEM -CHAPTER EXERCISE
  1. Numbers and (-11)/(20) , (7)/(-15), (17)/(-30) and (-3)/(10) are writ...

    Text Solution

    |

  2. What should be subtracted from (5)/(7) to get1?

    Text Solution

    |

  3. In standard form, the number 829030000 is expressed ask xx 10^(n). Th...

    Text Solution

    |

  4. If x is an integer, then (x +1) ^(4) – (x -1) ^(4) is always divis...

    Text Solution

    |

  5. The hundred digit of a three digit number is 7 more than the unit digi...

    Text Solution

    |

  6. If a, b and care different integers such that a lt b lt c lt 0, then ...

    Text Solution

    |

  7. What should be subtracted from (-5)/(7) to get ( 2)/(3) ?

    Text Solution

    |

  8. Which one of the following statements is correct?

    Text Solution

    |

  9. The values of y for which the 4 digit nuinber 60 y3 is divisible by 9 ...

    Text Solution

    |

  10. The product of integers between - 7 and – 3 is

    Text Solution

    |

  11. The value of 1 + (11)/(10) + (11)/(100) + (111)/(1000) + (111)/(1000...

    Text Solution

    |

  12. In standard form, 0.00001278 is expressed as k xx 10 ^(n). The value ...

    Text Solution

    |

  13. The difference between the greatest and smallest fraction amongst (6)...

    Text Solution

    |

  14. The value of 4 + (44)/(10) + (404)/(100) + (444)/(1000) + (4)/(1000...

    Text Solution

    |

  15. The smallest value of y in the number 9y8071, so that it is divisible...

    Text Solution

    |

  16. (24.69 xx 10 ^(10)) - ( 13.58 xx 10 ^(8)) is expressed in standard fo...

    Text Solution

    |

  17. The additive inverse of S, where S =1 - 2 + 3 -4 + 5 -6 + 7 - 8 + .....

    Text Solution

    |

  18. Let x = 597 xx 10 ^(22) + 73.5 xx 10 ^(21) when x is expressed in stan...

    Text Solution

    |

  19. The sum of all possible values of a, for which the 4-digit number 556...

    Text Solution

    |

  20. Which of the following numbers does not lie between (-5)/(6) and (7)/...

    Text Solution

    |