Home
Class 11
MATHS
In a group of 50 persons, 14 drink tea b...

In a group of 50 persons, 14 drink tea but not coffee and 30 drink tea. Let T and C denote the sets of persons drinking tea and coffee respectively.What is the value of n (T)?

Text Solution

Verified by Experts

30
Promotional Banner

Topper's Solved these Questions

  • SEQUENCES AND SERIES

    A N EXCEL PUBLICATION|Exercise QUESTION BANK|238 Videos
  • STATISTICS

    A N EXCEL PUBLICATION|Exercise QUESTION BANK|60 Videos

Similar Questions

Explore conceptually related problems

In a group of 50 persons, 14 drink tea but not coffee and 30 drink tea. Let T and C denote the sets of persons drinking tea and coffee respectively.How many drink tea and coffee both?

In a group of 50 persons, 14 drink tea but not coffee and 30 drink tea. Let T and C denote the sets of persons drinking tea and coffee respectively.How many drink coffee but not tea?

Suppose in a group of 100 persons 80 take tea, 30 take coffee and 20 take both tea and coffee. Suppose T denotes the set of all persons in the group taking tea and C denotes the set of all persons in the group taking coffee. Fill in the blanks n(T) = -----, n(C) = -----, n(T cap C) = -----

A manufacturer makes two types of tea cups, say A and B. Three machines are needed for the manufacturing and the time in minutes required for each cup on the machine is given below: Each machine is available for a maximum of 6 hrs per day. If the profit on each cup A is 75 paise and that on each cup B is 50 paise. If x and y denote the number of cups of ttpe A and B produced in a day respectively. What is the profit function ?

In a group of 70 people, 37 like coffee, 52 like tea and each person likes atleast one of the two drinks. How many people like both coffee and tea?

In a group of 70 people, 37 like coffee, 52 like tea and each person likes at least one of the two drinks. How many people like both coffee and tea?

A manufacturer makes two types of tea cups, say A and B. Three machines are needed for the manufacturing and the time in minutes required for each cup on the machine is given below: Each machine is available for a maximum of 6 hrs per day. If the profit on each cup A is 75 paise and that on each cup B is 50 paise. If x and y denote the number of cups of ttpe A and B produced in a day respectively. What are the linear in equations satisfied by x and y ?

Out of 20 members in an office,12 like to take tea and 15 like coffee.Assume that each one likes atleast one of the two drinks,how many like Only tea and not coffee.

Out of 20 members in an office,12 like to take tea and 15 like coffee.Assume that each one likes atleast one of the two drinks,how many like Both coffee and tea.

Out of 20 members in an office,12 like to take tea and 15 like coffee.Assume that each one likes atleast one of the two drinks,how many like Only coffee and not tea.

A N EXCEL PUBLICATION-SETS-QUESTION BANK
  1. Suppose X and Y are two sets If n(X cup Y) = 50, n (X) = 28 and n (Y) ...

    Text Solution

    |

  2. In a group of 50 persons, 14 drink tea but not coffee and 30 drink tea...

    Text Solution

    |

  3. In a group of 50 persons, 14 drink tea but not coffee and 30 drink tea...

    Text Solution

    |

  4. In a group of 50 persons, 14 drink tea but not coffee and 30 drink tea...

    Text Solution

    |

  5. In a group of 50 persons, 14 drink tea but not coffee and 30 drink tea...

    Text Solution

    |

  6. In a group of people 50 speak French, 20 speak Spanish and 10 speak bo...

    Text Solution

    |

  7. In a group of people 50 speak French, 20 speak Spanish and 10 speak bo...

    Text Solution

    |

  8. In a group of people 50 speak French, 20 speak Spanish and 10 speak bo...

    Text Solution

    |

  9. A T.V. survey gives the following data for T.V. viewing,60% see progra...

    Text Solution

    |

  10. A T.V survey gives the following data for T.V viewing: 60% see program...

    Text Solution

    |

  11. A T.V. survey gives the following data for T.V. viewing,60% see progra...

    Text Solution

    |

  12. Decide, among the following sets, which sets are subsets of one and an...

    Text Solution

    |

  13. In each of the following , determine whether the statement is true or ...

    Text Solution

    |

  14. In each of the following , determine whether the statement is true or ...

    Text Solution

    |

  15. In each of the following , determine whether the statement is true or ...

    Text Solution

    |

  16. In each of the following , determine whether the statement is true or ...

    Text Solution

    |

  17. In each of the following , determine whether the statement is true or ...

    Text Solution

    |

  18. In each of the following , determine whether the statement is true or ...

    Text Solution

    |

  19. Let A,B and C be the sets such that A cup B = A cup C and A cap B = A ...

    Text Solution

    |

  20. Show that if A sub B, then C- B sub C - A

    Text Solution

    |