Home
Class 9
MATHS
The mean monthly salary paid to 75 wo...

The mean monthly salary paid to 75 workers in a factory is Rs 5680. The mean salary of 25 of them is Rs 5400 and that of 30 others is Rs 5700. The mean salary of the remaining workers is (a) Rs 5000 (b) Rs 6000 (c) Rs 7000 (d) Rs 8000

Text Solution

Verified by Experts

The correct Answer is:
₹ 6000
Total weekly payment to remaining 20 workers.
`= ₹ [ ( 5680 xx 75) - (5400 xx 25 + 5700 xx 30)]`
Promotional Banner

Topper's Solved these Questions

  • MEAN , MEDIAN AND MODE OF UNGROUPED DATA

    RS AGGARWAL|Exercise Exercise 18B|14 Videos

  • MEAN , MEDIAN AND MODE OF UNGROUPED DATA

    RS AGGARWAL|Exercise Exercise 18C|10 Videos

  • MEAN , MEDIAN AND MODE OF UNGROUPED DATA

    RS AGGARWAL|Exercise Multiple Choice Questions (Mcq)|18 Videos

  • LINES AND ANGLES

    RS AGGARWAL|Exercise Multiple Choice Questions (Mcq)|28 Videos

  • NUMBER SYSTEMS

    RS AGGARWAL|Exercise Very Short Answer Questions|23 Videos

Similar Questions

Explore conceptually related problems

The mean monthly salary paid to 77 employees in a company was Rs. 78. The mean salary of 32 of then was Rs. 45 and of the other 25 was Rs. 82. What was the mean salary of the remaining ?

The monthly salaries of 50 workers in a factory are given below : Find the mean salary of workers

The average salary of A, B is Rs. 6000 and that of C, D and E is Rs. 8000. The average salary of all the 5 people is :

If the average salary of a firm is Rs. 400 and the number of workers is 60, find the total salary bill of the firm.

The average salary of all the workers in a workshop is Rs 8000. The average salary of 7 technicians is Rs 12000 and the average salary of the rest is Rs 6000. The total number of workers in the workshop is (a) 20 (b) 21 (c) 22 (d) 23

The average salary of workers of a factory is Rs 6000, while the average salary of 150 technicians is Rs 12000 and that of non- technicians is Rs 3750. Find the total number of workers in the factory.

RS AGGARWAL-MEAN , MEDIAN AND MODE OF UNGROUPED DATA -Exercise 18A
  1. The mean of 20 numbers is 18. if 3 is added to each of the first ten n...

    Text Solution

    |

  2. The mean of six numbers is 23. If one of the numbers is excluded , th...

    Text Solution

    |

  3. The average height of 30 boys was calculated to be 150 cm. it was dete...

    Text Solution

    |

  4. The mean weight of a class of 35 student is 45 kg. if the weight of th...

    Text Solution

    |

  5. In a class there are 50 students. Their average weight is 45 kg. Wh...

    Text Solution

    |

  6. The average weight of a class of 39 students is 40 kg. when a new stud...

    Text Solution

    |

  7. The average weight of 15 oarsmen in a boat is increased by 1.6 kg when...

    Text Solution

    |

  8. The mean of 8 numbers is 35. if a number is excluded then the mean is ...

    Text Solution

    |

  9. The mean of 150 items was found to be 60. Later on, it was discoverved...

    Text Solution

    |

  10. The average of 11 results is 60. If the average of first six result...

    Text Solution

    |

  11. The mean 11 numbers is 42. if the mean of the frist 6 numbers is 37 an...

    Text Solution

    |

  12. The mean weight of 25 students of a class is 52 kg. if the mean weight...

    Text Solution

    |

  13. The mean score of 25 observations is 80 and the mean score of another ...

    Text Solution

    |

  14. Arun scored 36 marks in English , 44 marks in Hindi, 75 marks in mathe...

    Text Solution

    |

  15. A ship sails out an island at the rate of 15km/hr and sails back to th...

    Text Solution

    |

  16. There are 50 students in a class, of which 40 are boys. The average we...

    Text Solution

    |

  17. The aggregate monthly expenditure of family was ₹18720 during the firs...

    Text Solution

    |

  18. The mean monthly salary paid to 75 workers in a factory is Rs 5680....

    Text Solution

    |

  19. The mean marks (out of 100) of boys and girls in an examinatin are 70 ...

    Text Solution

    |

  20. The average monthly salarly monthly salary of 20 workers in an office ...

    Text Solution

    |