Home
Class 14
MATHS
There were 42 students in a hostel. Due ...

There were 42 students in a hostel. Due to the admission of 13 new studenets, the expenses of the mess increase by 31 per day while the average expenditure per head diminished by 3. What was the original expenditure of the mass?

A

633.23

B

583.3

C

623.3

D

632

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • AVERAGES

    DISHA PUBLICATION|Exercise Test Yourself|15 Videos

  • AVERAGES

    DISHA PUBLICATION|Exercise Practice Exercises (Standard Level)|25 Videos

  • ALLIGATIONS

    DISHA PUBLICATION|Exercise TEST YOURSELF |15 Videos

  • COORDINATE GEOMETRY

    DISHA PUBLICATION|Exercise TEST YOURSELF|15 Videos

Similar Questions

Explore conceptually related problems

There were 42 students in a hostel. Due to the admission of 13 new students, the expenses of mess increase by Rs 31 per day while the average expenditure per head diminished by Rs 3. What was the original expenditure of the mess ?

There were 35 students in a hostel.If the number of the students is increased by 7, then the expenses of the mess increase by Rs 42 per day,while the average expenditure per head diminishes by Rs 1.The original expenditure of the mess per day was (a) Rs 400 (b) Rs 420 (c) Rs 432 (d) Rs 442

There are 42 students in a hostel. If the number of students increases by 7, then the expenses of the mess increased by Rs. 32.5 per day while the average expenditure per head diminishes by Rs. 1.5. Find the original expenditure of the mess.

There are 35 students in a hostel. If the number of students increases by 7, then the expenses of the mess increased by Rs. 42 per day while the average expenditure per head diminishes by Re. 1. Find the original expenditure of the mess.

There are 60 students in a hostel. If the number of students increases by 20, then the expenses of the mess increased by Rs. 120 per day while the average expenditure per head diminishes by Re. 1. Find the original expenditure of the mess.

There are 320 students in a hostel. If the number of students decreases by 10, then the expenses of the mess decreased by Rs. 58 per day while the average expenditure per head increases by 20 paise. Find the original expenditure of the mess.

There are 30 workers in a factory. If the number of workers increases by 10, then the total wages increased by Rs. 9000 per day while the average wages per worker decreases by Rs. 75. Find the original total wages of factory.

The Table presents the annual expenses on various heads made by a firm during 2014-2018. What is the average expenditure per head of 2016 ?

DISHA PUBLICATION-AVERAGES-Practice Exercises (Expert Level)
  1. The average price of 3 diamonds of same weights is ₹5 crore where the ...

    Text Solution

    |

  2. Three maths classes : X, Y and Z, take an algebra test. The average sc...

    Text Solution

    |

  3. A set of consecutive positive integers beginning with 1 is written on ...

    Text Solution

    |

  4. A salesman gets a bonus according to the following structure: If the s...

    Text Solution

    |

  5. There were 42 students in a hostel. Due to the admission of 13 new stu...

    Text Solution

    |

  6. Refer to the data below and answer the questions that follow. Five ...

    Text Solution

    |

  7. Refer to the data below and answer the questions that follow. Five ...

    Text Solution

    |

  8. The weight of a body as calculated by the average of 7 different exper...

    Text Solution

    |

  9. In a set of prime and composite numbers, the composite numbers are twi...

    Text Solution

    |

  10. The average marks of sammer decreased by 1, When he repalced the subje...

    Text Solution

    |

  11. There are three categories of jobs A,B and c . The average salary of t...

    Text Solution

    |

  12. There are only five people in the Aman verma's family aman his wife a ...

    Text Solution

    |

  13. Sachin Tendulkar has a certain batting average N (a whole number) in h...

    Text Solution

    |

  14. It is possible to arrange eight of the nine numbers 2, 3, 4, 5, 7, 10,...

    Text Solution

    |

  15. It is possible to arrange eight of the nine numbers 2, 3, 4, 5, 7, 10,...

    Text Solution

    |

  16. In the entrance examination of IIMs, there were 200 questions, each of...

    Text Solution

    |