Home
Class 7
MATHS
The mean of three numbers is 10. The mea...

The mean of three numbers is 10. The mean of other four numbers is 12. Find the mean of all the numbers.

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • DATA HANDLING

    NCERT EXEMPLAR|Exercise THINK AND DISCUSS |3 Videos

  • DATA HANDLING

    NCERT EXEMPLAR|Exercise EXERCISE(TRUE OR FALSE)|18 Videos

  • COMPARING QUANTITIES

    NCERT EXEMPLAR|Exercise THINK AND DISCUSS|24 Videos

  • EXPONENTS AND POWERS

    NCERT EXEMPLAR|Exercise EXERCISE|136 Videos

Similar Questions

Explore conceptually related problems

The mean of 4 numbers is 6 and the mean of other 6 numbers is 9. Find the mean of all the numbers.

The mean of 11 numbers is 35. If the mean of the first 6 numbers is 32 and that of the last 6 numbers is 37, then the sixth number is

The mean of the five numbers is 50 out of which the mean of the 4 numbers is 46, find the fifth number ?

The mean of six numbers is 23. If one of the numbers is excluded , the mean of the remaining numbers is 20. find the excluded number.

The mean of 7 numbers is 10. If the mean of first 4 numbers is 8 and that of last 4 numbers is 16, then the fourth number is:

The mean 11 numbers is 42. if the mean of the frist 6 numbers is 37 and that of the last 6 numbers is 46, find the 6th number.

The mean of 20 numbers is 18. if 3 is added to each of the first ten numbers, find the mean of the new set of 20 numbers.

The mean of 5 numbers is 15. If one more number is included, the mean of the 6 numbers becomes 17. What is the included number?

In ten observation, the mean of all 10 numbers is 15, the mean of the first six observation is 16 and the mean of the last five observation is 12. The sixth number is

The arithmetic mean of 4 numbers is 15. The arithmetic mean of another 6 numbers is 12. What is the arthmetic mean of the combined 10 numbers?

NCERT EXEMPLAR-DATA HANDLING-EXERCISE
  1. Find the mean of first six multiples of 4.

    Text Solution

    |

  2. Find the median of first nine even natural numbers.

    Text Solution

    |

  3. The mean of three numbers is 10. The mean of other four numbers is 12....

    Text Solution

    |

  4. Find the mode of the given data: 10, 8, 4, 7, 8, 11, 15, 8, 4, 2, 3, 6...

    Text Solution

    |

  5. Given below are heights of 15 boys of a class measured in cm: 128, 1...

    Text Solution

    |

  6. Observe the data and answer the questions that follow: 16, 15, 16, 16...

    Text Solution

    |

  7. Age (in years) of 6 children of two groups are recorded as below: ...

    Text Solution

    |

  8. Observe the given bar graph carefully and answer the questions that fo...

    Text Solution

    |

  9. The bar graph given below shows the marks of students of a class in a ...

    Text Solution

    |

  10. Study the bar graph given below and answer the questions that follow. ...

    Text Solution

    |

  11. Study the bar graph given below and answer the questions that follow ...

    Text Solution

    |

  12. The bar graph given below represents the circulation of newspapers (da...

    Text Solution

    |

  13. Study the double bar graphs given belwo and answer the following ques...

    Text Solution

    |

  14. Study the double bar graph shown below and answer the questions that f...

    Text Solution

    |

  15. Study the double bar graph given below and answer the questions that f...

    Text Solution

    |

  16. The following table shows the average intake of nutrients in calories ...

    Text Solution

    |

  17. Study the double bar graph and answer the quesions that follow: ...

    Text Solution

    |

  18. In a public library, the following observations were recorded by the l...

    Text Solution

    |

  19. Observe the following data: (a) Draw a double bar graph choosing ...

    Text Solution

    |

  20. Observe the given data: (a) Draw a bar graph to represent the abo...

    Text Solution

    |