Home
Class 14
MATHS
The average of 4 items is 30 and the 1st...

The average of 4 items is 30 and the 1st term is `1/3` of the sum of the remaining terms. What is the first term?
4 संख्याओं का औसत 30 है तथा पहली संख्या शेष संख्याओं का `1/3` भाग है | पहली संख्या कोन सी है ?

A

30

B

40

C

20

D

60

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

The average of four terms is 30 and the first term is 1/3 of the sum of the remaining terms. What is the first term?

The average of 9 numbers is 40. If the average of the first five numbers is 38 and the average of the last five numbers is 50, then what is the fifth number? 9 संख्याओं का औसत 40 है | यदि पहली पांच संख्याओं का औसत 38 है तथा अंतिम पांच संख्याओं का औसत 50 है, तो पाँचवीं संख्या कौन सी है?

The average of 10 numbers is P and the average of 4 of these numbers is Q. If the average of remaining numbers is R then which of the following is correct: 10 संख्याओं का औसत P है तथा इनमें से 4 संख्याओं का औसत Q है | यदि शेष संख्याओं का औसत R है, तो निम्न में से कौन सा विकल्प सही है?

Out of four numbers the average of the first three is 16 and that of the last three is 15. If the last number is 21 then the first number is: चार संख्याओं में से पहली तीन संख्याओं का औसत 16 है और अंतिम तीन संख्याओं का औसत 15 है | यदि अंतिम संख्या 21 है, तो पहली संख्या है :

Average of 11 numbers is 32. If the average of first six numbers is 26 and the average of last six numbers is 36 then what is the value of the sixth number? 11 संख्याओं का औसत 32 है | यदि पहली छः संख्याओं का औसत 26 है और अंतिम छः संख्याओं का औसत 36 है, तो छठी संख्या का मान ज्ञात करें |

The average of four numbers is 20. If the average of the first two numbers is 15, then what is the average of the last two numbers? चार संख्याओं का औसत 20 है | यदि पहली दो संख्याओं का औसत 15 है, तो अंतिम दो संख्याओं का औसत ज्ञात करें |

PINNACLE-AVERAGE-EXERCISE
  1. A family has two grandparents, two parents and four children. Two year...

    Text Solution

    |

  2. Age of A is 6 years more than three times the age of B. After three ye...

    Text Solution

    |

  3. A person was asked to guess his own weight. He estimated his weight to...

    Text Solution

    |

  4. Out of 6 numbers, the sum of the first 5 numbers is 7 times the 6th nu...

    Text Solution

    |

  5. The average of the first four numbers is three times the fifth number....

    Text Solution

    |

  6. The average of five consecutive even numbers is M. If the next five ev...

    Text Solution

    |

  7. The average of twelve numbers is 45.5. The average of the first four n...

    Text Solution

    |

  8. The average weight of some students in a class was 58.4kg. When 5 stud...

    Text Solution

    |

  9. The average age of a number of persons in a group’ was calculated as 3...

    Text Solution

    |

  10. The average of 24 numbers is 56. The average of the first 10 numbers i...

    Text Solution

    |

  11. The average of some numbers is 54.6. If 75% of the numbers are increas...

    Text Solution

    |

  12. The average height of 5 boys is 175 cm. A sixth boy joined the group a...

    Text Solution

    |

  13. The average marks of 30 boys is 88, and when the top scores were exclu...

    Text Solution

    |

  14. 24 students collected money for donation. The average contribution was...

    Text Solution

    |

  15. The average of 60 student’s results is 38. If the average of the first...

    Text Solution

    |

  16. The average of five consecutive odd numbers is m. If the next three od...

    Text Solution

    |

  17. The average score in Mathematics of 90 students of sections A and B to...

    Text Solution

    |

  18. The average age of A,B and C is 20 years, and that of B and C is 25 ye...

    Text Solution

    |

  19. The average of 4 items is 30 and the 1st term is 1/3 of the sum of the...

    Text Solution

    |

  20. In a class, the average score of thirty students on a test is 69. Late...

    Text Solution

    |