Home
Class 7
MATHS
The mean of 5 observations is 3 and if o...

The mean of 5 observations is 3 and if one more observation is added, the mean becomes 3 . 5. Find out the value of new observation .

A

5

B

6

C

4

D

3

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • DATA HANDLING

    MTG IIT JEE FOUNDATION|Exercise Exercise (Level - 2) M.C.Q |15 Videos

  • DATA HANDLING

    MTG IIT JEE FOUNDATION|Exercise Exercise (Level - 2) Match the Following |2 Videos

  • DATA HANDLING

    MTG IIT JEE FOUNDATION|Exercise NCERT Section (Exercise - 3 .4 ) |8 Videos

  • CONGRUENCE OF TRIANGLES

    MTG IIT JEE FOUNDATION|Exercise Olympiad/HOTS Corner|10 Videos

  • EXPONENTS AND POWERS

    MTG IIT JEE FOUNDATION|Exercise OLYMPIAD/HOTS CORNER|15 Videos

Similar Questions

Explore conceptually related problems

The mean of 9 observations is 15 .If one more observation is added to the series,the mean becomes 16 .The value of 10 th observation is

The mean of 18 observation is 7 and if each observation 5 is added,then the new mean will be

The mean of 10 observation is 15. If one observation 15 is added, then find the new mean.

The means of 5 observations is 16. Find the sum of these observations.

If the mean of n observations is 5 and sum of observations is 25, then find n .

The mean of 22 observations is 10. Two more observations are included and the new mean becomes 11. The mean of two new observations is

The mean of 7 observations is 7. If each observation is increased by 2, then the new mean is

MTG IIT JEE FOUNDATION-DATA HANDLING-Exercise (Level - 1) M.C.Q
  1. A latter is chosen at random from the word 'MATHEMATICS' .The probabil...

    Text Solution

    |

  2. A box contains 50 coloured balls, What is the total number of white ba...

    Text Solution

    |

  3. Garima, spins a spinner that is split into 8 equal sections. The s...

    Text Solution

    |

  4. This frequency table shows the results of a small class quiz . If a st...

    Text Solution

    |

  5. The king, queen and jack of hearts are removed from a deck of 52 playi...

    Text Solution

    |

  6. What is the probability of getting a black king from a pack of 52 ca...

    Text Solution

    |

  7. The data given below shows the time (in minutes) taken by nine student...

    Text Solution

    |

  8. Soni has digit cards 1, 4 and 7 . She makes 2 - digit numbers using...

    Text Solution

    |

  9. Twelve sided dice is used in adventure games . They are marked with ...

    Text Solution

    |

  10. A card is drawn from a pack of 52 cards. What is the probability that...

    Text Solution

    |

  11. The mean of the first ten natural numbers is

    Text Solution

    |

  12. The probability of getting a number less than or equal to 6 when a ...

    Text Solution

    |

  13. The mean of 5 observations is 14. If one of the observations is wrong...

    Text Solution

    |

  14. The heights of a group of people (in cm) are 121, 118, 115, 130, 100,...

    Text Solution

    |

  15. The mean of 12, 10, x, 20 and 18, is 17. Find x

    Text Solution

    |

  16. The mean of 5 observations is 3 and if one more observation is added...

    Text Solution

    |

  17. The bar graph given below shows the interest of boys and girls in dif...

    Text Solution

    |

  18. The bar graph given below shows the interest of boys and girls in dif...

    Text Solution

    |

  19. For what value of x the mode of the following data is 15 ? 15, 16, 17,...

    Text Solution

    |

  20. A coin is tossed 20 times. The number of times head occurred and tail...

    Text Solution

    |