Home
Class 14
MATHS
Average of ten positive numbers is barx....

Average of ten positive numbers is `barx`. If each numbers is increased by 10%, Then `barx` :

A

Remains unchanged

B

May decrease

C

May increase

D

is increased by 10%

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

Average of ten positive numbers is bar(x). If each number is increased by 10%, then bar(x) (a) remains unchanged (b) may decrease (c) may increase (d) is increased by 10%

The average of 12 numbers is 15. If each number is increased by 1, find the new average.

The average of 8 numbers is 12. If each number is increased by 2, the new average will be

The average of six numbers is 32. If each of the first three numbers is increased by 2 and each of the remaining three numbers is decreased by 4, then find the new average.

The average of ten numbers is 7. If each number is multiplied by 12, then the average of the new set of numbers is

The average of ten numbers is 7. If each number is multiplied by 12, then the average of the new set of numbers is : (a) 7 (b) 19 (c) 82 (d) 84

The average of first ten prime numbers is:

MAHENDRA-AVERAGE-EXERCISE
  1. The average of 50 numbers is 30. If two numbers are 35 and 40 then the...

    Text Solution

    |

  2. The average score of a cricketer for ten matches is 38.9 runs. If the ...

    Text Solution

    |

  3. Average of ten positive numbers is barx. If each numbers is increased ...

    Text Solution

    |

  4. A class has two sections, in one of which there are 40 students with a...

    Text Solution

    |

  5. The average of 50 numbers is 38. If the two numbers 45 and 55 are not ...

    Text Solution

    |

  6. The mean of 100 observations was calculated as 40. It was found later ...

    Text Solution

    |

  7. The average of six numbers is 30. If the average of first four is 25 a...

    Text Solution

    |

  8. The average of 25 results is 18. The average of first twelve of them i...

    Text Solution

    |

  9. Out of four numbers, the average of first three is 16 and that of the ...

    Text Solution

    |

  10. Mukesh has twice as much moncy as Soham. Soham has 50% more money than...

    Text Solution

    |

  11. The average of 30 students is 9 years. If the age of their teacher is ...

    Text Solution

    |

  12. The average weight of 50 balls is 2 lbs. If the weight of the containe...

    Text Solution

    |

  13. The average salary per month of 30 employees in a company is Rs. 4000....

    Text Solution

    |

  14. The average weight of 8 men is increased by 1.5 kg when one of the men...

    Text Solution

    |

  15. The average of five consecutive odd numbers is 61. What is the differe...

    Text Solution

    |

  16. The average marks obtained by 22 candidates in an examination are 45. ...

    Text Solution

    |

  17. The average weight of 8 persons is increased by 2.5 kg. When one of th...

    Text Solution

    |

  18. The questions given below consists of a question followed by three sta...

    Text Solution

    |

  19. The questions given below consists of a question followed by three sta...

    Text Solution

    |

  20. The average age of a husband and his wife was 23 years at the time of ...

    Text Solution

    |