Home
Class 14
MATHS
If the average of m numbers is n^2 an...

If the average of `m` numbers is `n^2` and that of `n` numbers is `m^2` , then the average of `(m+n)` numbers is `m-n` (b) `m n` (c) `m+n` (d) `m/n`

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • AREA

    RS AGGARWAL|Exercise All Questions|473 Videos

  • BANKERS DISCOUNT

    RS AGGARWAL|Exercise All Questions|20 Videos

Similar Questions

Explore conceptually related problems

If the average of m numbers is n^(2) and that of n numbers is m^(2) . Then find the average of ( m + n) numbers.

If the average of 5 consecutive number starting with m is n. Find the average of 6 consecutive number starting with m + 2

If m and n be the two natural numbers such that m^(n)=25, then the value of n^(m) is

If m^(n).n^(m)=800, then the value of (n)/(m) is (m < n)

If m and n are the two natural number such that m^(n)=25 , then find the value of n^(m) :-

The average of n numbers x_(1),x_(2), …,x_(n) is M. If x_(n) is replaced by x' , then the new average is

If m and n are whole numbers such that m^(n)=121, then the value of (m-1)^(n+1) is a 1 b.10 c.1000 d.121

RS AGGARWAL-AVERAGE-All Questions
  1. The average expenditure of a man for the first five months of a yea...

    Text Solution

    |

  2. A school has 4 sections of Chemistry in Class X having 40, 35, 45 a...

    Text Solution

    |

  3. If the average of m numbers is n^2 and that of n numbers is m^2 ...

    Text Solution

    |

  4. The average of five consecutive numbers is x . If the next two n...

    Text Solution

    |

  5. A person purchases 1 kg of tomatoes from each of the 4 places at th...

    Text Solution

    |

  6. In a certain factory there are five workers A ,\ B ,\ C ,\ D and E ...

    Text Solution

    |

  7. A car owner buys petrol at Rs 17, Rs 19 and Rs 20 per litre for thr...

    Text Solution

    |

  8. The average of six numbers is x and the average of three of thes...

    Text Solution

    |

  9. Out of 9 persons, 8 persons spent Rs 30 each for their meals. The n...

    Text Solution

    |

  10. There were 35 students in a hostel. If the number of the students i...

    Text Solution

    |

  11. The average price of three items of furniture is Rs 15000. If their...

    Text Solution

    |

  12. Of the four members, the first is twice the second, the second is o...

    Text Solution

    |

  13. Out of three numbers, the first is twice the second and is half of ...

    Text Solution

    |

  14. Of the three numbers, the first is twice the second and the second ...

    Text Solution

    |

  15. Of the three numbers, the average of the first and the second is gr...

    Text Solution

    |

  16. The average of 50 numbers is 38. If the numbers 45 and 55 are disca...

    Text Solution

    |

  17. The mean of 5 numbers is 18. If one number is excluded, their mean ...

    Text Solution

    |

  18. The average of a 6 observations is 45.5. If one new observation is ...

    Text Solution

    |

  19. The average age of 30 students in a class is 15 years. If 6 student...

    Text Solution

    |

  20. If the average temperature of first four days of the week was 39oC ...

    Text Solution

    |