Home
Class 11
MATHS
Let X = {Ram, Geeta, Akbar} be the set o...

Let X = {Ram, Geeta, Akbar} be the set of students of Class XI, who are in school hockey team. Let Y = {Geeta, David, Ashok} be the set of students from Class XI who are in the school football team. Find `X ∪ Y` and interpret the set.

Text Solution

Verified by Experts

The correct Answer is:
{Ram, Geeta, Akbar, David, Ashok}
Promotional Banner

Topper's Solved these Questions

  • SETS

    KUMAR PRAKASHAN|Exercise SOLUTIONS OF NCERT EXEMPLAR PROBLEMS (SHORT ANSWER TYPE QUESTIONS)|37 Videos

  • SETS

    KUMAR PRAKASHAN|Exercise SOLUTIONS OF NCERT EXEMPLAR PROBLEMS (LONG ANSWER TYPE QUESTIONS)|17 Videos

  • SETS

    KUMAR PRAKASHAN|Exercise LATEST EXAMS MCQs|2 Videos

  • SEQUENCE AND SERIES

    KUMAR PRAKASHAN|Exercise Solutions of NCERT Exemplar Problems -Question of Module|19 Videos

  • STATISTICS

    KUMAR PRAKASHAN|Exercise QUESTION OF MODULE (KNOWLEDGE TEST)|9 Videos

Similar Questions

Explore conceptually related problems

Let U be universal set of all the students of Class XI of a coeducational school and A be the set of all girls in Class XI. Find A′.

Let A be the set of all 50 students of Class X in a school. Let f : A rarrN be function defined by f(x) = roll number of the student x. Show that f is one-one but not onto.

Let cup be the set of all boys and girls in a school, G be the set of all girls in the school, B be the set of all boys in the school and S be the set of all students in the school who take swimming. Some but not all, students in the school take swimming. Draw a Venn diagram showing one of the possible inter relationship among sets cup , G, B and S.

Let A be the set of the children in a family. The relation ‘x is a brother of y' relation on A is

Let A be the set of all students of a boys school. Show that the relation R in A given by R = {(a,b):a is sister of b} is the empty relation and R' ={(a,b): the difference between heights of a and b is less than 3 meters } is the universal relation.

There are 40 students in Class X of a school of whom 25 are girls and 15 are boys. The class teacher has to select one student as a class representative. She writes the name of each student on separate cards, the cards being identical. Then she puts cards in a box and stirs them thoroughly. She then draws one card from the box. What is the probability that the name written on the card is the name of (i) a girl? (ii) a boy?

A sports team of 11 students is to be constituted, choosing alteast 5 from class XI and atleast 5 from class XII. If there are 20 students in each of these classes, in how many ways can the team be constituted ?

Make correct statements by filling in the symbols ⊂ or ⊄ in the blank spaces : { x : x is a student of Class XI of your school}. . .{ x : x student of your school}

Let N be the set of natural numbers and the relation R be defined on N such that R={(x,y) : y=2x, y in N} ,

Yamini and Fatima , two students of class IX of a school, together contributed Rs 100 towards the prime Minister's Relief Fund to help the earthquake victims . Write a linear equation which satisfies this this data. (You may take their contributions as Rs x and Rs y). Draw the graph of the same.

KUMAR PRAKASHAN-SETS-TEXTBOOK ILLUSTRATIONS FOR PRACTICE WORK
  1. Let A = { 2, 4, 6, 8} and B = { 6, 8, 10, 12}. Find A ∪ B.

    Text Solution

    |

  2. Let A = { a, e, i, o, u } and B = { a, i, u }. Show that A ∪ B = A

    Text Solution

    |

  3. Let X = {Ram, Geeta, Akbar} be the set of students of Class XI, who ar...

    Text Solution

    |

  4. Consider the sets A and B of Example 12. Find A ∩ B.

    Text Solution

    |

  5. Consider the sets X and Y of Example 14. Find X ∩ Y.

    Text Solution

    |

  6. Let A = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10} and B = { 2, 3, 5, 7 }. Find A...

    Text Solution

    |

  7. Let A = { 1, 2, 3, 4, 5, 6}, B = { 2, 4, 6, 8 }. Find A – B and B – A.

    Text Solution

    |

  8. Let V = { a, e, i, o, u } and B = { a, i, k, u}. Find V – B and B – V

    Text Solution

    |

  9. Let U = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10} and A = {1, 3, 5, 7, 9}. Find...

    Text Solution

    |

  10. Let U be universal set of all the students of Class XI of a coeducatio...

    Text Solution

    |

  11. Let U = {1, 2, 3, 4, 5, 6}, A = {2, 3} and B = {3, 4, 5}. Find A′, B...

    Text Solution

    |

  12. If X and Y are two sets such that X ∪ Y has 50 elements, X has 28 elem...

    Text Solution

    |

  13. In a school there are 20 teachers who teach mathematics or physics. Of...

    Text Solution

    |

  14. In a class of 35 students, 24 like to play cricket and 16 like to play...

    Text Solution

    |

  15. In a survey of 400 students in a school, 100 were listed as taking app...

    Text Solution

    |

  16. There are 200 individuals with a skin disorder, 120 had been exposed t...

    Text Solution

    |

  17. There are 200 individuals with a skin disorder, 120 had been exposed t...

    Text Solution

    |

  18. There are 200 individuals with a skin disorder, 120 had been exposed t...

    Text Solution

    |

  19. Show that the set of letters needed to spell “ CATARACT ” and the set ...

    Text Solution

    |

  20. List all the subsets of the set { –1, 0, 1 }.

    Text Solution

    |