Home
Class 12
MATHS
Which of the following are examples of ...

Which of the following are examples of null set?
(i) A={x:x is a vowel in English alphabet }
(ii) B = {x:x is an even number, `2lt xlt 4}`
(iii) `C ={x: x in W } `

Text Solution

Verified by Experts

(i) A is null set
(ii) B is null set
(iii) C is not a null set
Promotional Banner

Topper's Solved these Questions

  • SETS

    AAKASH INSTITUTE ENGLISH|Exercise SECTION-A(Objective Type Questions (One option is correct))|41 Videos

  • SETS

    AAKASH INSTITUTE ENGLISH|Exercise SECTION-B(Objective Type Question(One option is correct))|13 Videos

  • SETS

    AAKASH INSTITUTE ENGLISH|Exercise EXAMPLE|24 Videos

  • SEQUENCES AND SERIES

    AAKASH INSTITUTE ENGLISH|Exercise Assignment (SECTION - J) Aakash Challengers|11 Videos

  • STATISTICS

    AAKASH INSTITUTE ENGLISH|Exercise Section-C Assertion-Reason|15 Videos

Similar Questions

Explore conceptually related problems

Which of the following are examples of null set? (i) A ={"x:x is root of equation x + 3 =0 and "x in N} (ii) B ={x:x in Z,9x -8=0} C={x:x is letter of the word MAKE}

Which of the following is singleton set ? (i) A = {x : x is a letter in English alphabet, comes after Z} (ii) B = {0} (iii) C= {x :x + 4=4} (iv) D={x:x^(2)-4x+4=0} (v) E={x:x in N,6ltxlt9} .

Which of the following are the examples of empty set ? (i) {x:x in N,xlt7and xgt9} (ii) {x : x is a common point of two perpendicular lines} (iii) {x : x is an even natural number divisible by 3} (iv) {x : x^(2) = 4 and x " is an odd number"} .

Which of the following are the examples of the null set ? (i) Set of odd natural numbers divisible by 2 (ii) Set of even prime numbers (iii) {x : x is a natural numbers, x lt 5 and x gt 7 } (iv) {y : y is a point common to any two parallel lines}.

Describe the following sets in Roster form: {x : x is a letter before e in the English alphabet } .

Which of the following are examples of the null set(i) Set of odd natural numbers divisible by 2(ii) Set of even prime numbers(iii) {x: x is a natural numbers, x 7 }(iv) {y: y is a point common to any two parallel lines}

Write the following sets in the tabular from : (i) A={x:x is a positive prime lt20} (ii) B={x:x is a natural number lt10} (iii) C={x:x is an odd positive ineger and x^(2)lt30} (iv) D={x:x is a letter of the Engligh alphabet in the word 'LALLY'} (v) E={x"x is a natural number that divides 24}

Which of the following sets are empty sets ? (i) { x:x^(2)=2 and x is a rational number} (ii) { x:x is an integer neither positive nor negative} (iii) { x:x is a boy student in a girls college} (iv) { x:xlt5 and also x gt 5 } (v) {x:x is a real number and x^(2)lt0}

State which of the following sets are finite and which infinite : (i) {x:x is a positive integral root of x^(2)-2x-15=0} (ii) {x:x is human being in the world} (iii) {x:x is a multiple of 3} (iv) {x:x is a real number between a and 2}.

In each of the following cases, state whether A = B or A ne B. (i) A={a,b,c,d,e}B={x:x is rirst five letters of English alphabet} (ii) A'{0},B={x:x is a natural number less than 1} (iii) A={1,5,25,125}, B={x:x is a positive dicisor of 125} (iv) A={x:x is a multiple of 10} B={10,15,20,25,30,....}

AAKASH INSTITUTE ENGLISH-SETS -Try yourself
  1. Write the following sets in the set-builder from. (i) A={5,10,15,25…...

    Text Solution

    |

  2. Which of the following are examples of null set? (i) A ={"x:x is ro...

    Text Solution

    |

  3. Which of the following are examples of null set? (i) A={x:x is a vo...

    Text Solution

    |

  4. State which of the following sets are finite sets or infinite. In case...

    Text Solution

    |

  5. State which of the following sets are finite sets or infinite. In case...

    Text Solution

    |

  6. State which of the follwing sets are finite sets or infinite. In case ...

    Text Solution

    |

  7. Which of the following pairs of sets are equals? Give reasons. (i) A...

    Text Solution

    |

  8. Which of the following pairs of sets are equals? Give reasons. (i) A...

    Text Solution

    |

  9. Consider the sets of A={1,4,3,2} and B={1,2,3,4} and C={1,5,3,7} and C...

    Text Solution

    |

  10. Consider the sets of A={A,R,M}, B={R,A,M}, C={H,A,R,M}, D={I,N,D,I,A} ...

    Text Solution

    |

  11. Write the follwing sets as intervals. (i) (x:x in R, -3 lt x le 15) ...

    Text Solution

    |

  12. Write the following sets as intervals. (i) (x:x in R, x le 5) (x:x...

    Text Solution

    |

  13. Write the following intervals in set builders form (i) (-4, oo) (i...

    Text Solution

    |

  14. Write the following intervals in set builders form (i) (-6x-3) (ii...

    Text Solution

    |

  15. Write of the following may be considered as universal set (s) of all t...

    Text Solution

    |

  16. Which of the following may be considered as universal set (s) of all t...

    Text Solution

    |

  17. Let A={5,6,7,8,9,10} and B={x:x is root of the equaltion x^(2)-11x+30=...

    Text Solution

    |

  18. Let A={1,2,3,5,9,7} and B={1,2,3,4,5,6,7,8,9,10}, show that A subset B

    Text Solution

    |

  19. Let A={x:x is a letter of word APPRECIATION} B={x:x is a letter of w...

    Text Solution

    |

  20. If X={x:x in N and (x-3)(x-2)=0} Y={x:x in N and x lt 5} "then find X...

    Text Solution

    |