Home
Class 14
MATHS
Three numbers are such that if the avera...

Three numbers are such that if the average of any two of them is added to the third number, the sums obtained are 168, 174 and 180 respectively. What is the average of the original three numbers?
तीन संख्याएँ इस प्रकार हैं कि यदि इनमें से किसी भी दो संख्या के औसत को तीसरी संख्या में जोड़ा जाए, तो प्राप्त होने वाले योगफल क्रमशः 168, 174 और 180 होते हैं | इन तीन प्रारंभिक संख्याओं का औसत ज्ञात करें |

A

86

B

87

C

89

D

84

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

PINNACLE-AVERAGE-EXERCISE
  1. The average of twelve numbers is 42. The average of the last five numb...

    Text Solution

    |

  2. The average weight of a certain number of students in a class is 68.5 ...

    Text Solution

    |

  3. Three numbers are such that if the average of any two of them is added...

    Text Solution

    |

  4. The total number of students in section A and B of a class is 110. The...

    Text Solution

    |

  5. Four different positive numbers are written in ascending order. One-th...

    Text Solution

    |

  6. The average marks of 40 students was found to be 68. If the marks of t...

    Text Solution

    |

  7. In a class of 40 students, 45% are girls and the remaining are boys. I...

    Text Solution

    |

  8. The average of 27 numbers is zero. Out of them, how many may be greate...

    Text Solution

    |

  9. 10 years ago, the average age of a family of five members was 38 years...

    Text Solution

    |

  10. The average of a number and its reciprocal is 4. The average of its cu...

    Text Solution

    |

  11. The average of the first 1234 numbers is equal to 1234. Fill in the b...

    Text Solution

    |

  12. Fill in the blank. रिक्त स्थान की पूर्ति करें | The average of the...

    Text Solution

    |

  13. The difference between the average of first ten prime numbers and the ...

    Text Solution

    |

  14. The average of 1088 real numbers is zero. At most how many of them can...

    Text Solution

    |

  15. The average age of four brothers is 15 years. If their father is inclu...

    Text Solution

    |

  16. The average of the squares of numbers 1 to 5 is: 1 से 5 तक की संख्या...

    Text Solution

    |

  17. The average of a and b is 36. The average of b and c is 42. What is th...

    Text Solution

    |

  18. What is the average of the first 8 multiples of 6 among the natural nu...

    Text Solution

    |

  19. The average of all the prime and composite numbers upto 100 is:

    Text Solution

    |

  20. The average weight of 12 articles is 18 kg. Addition of another new ar...

    Text Solution

    |