Home
Class 12
MATHS
Given n(U) = 20, n(A) = 12, n(B) = 9, n(...

Given n(U) = 20, n(A) = 12, n(B) = 9, `n(AnnB)` = 4, where U is the universal set, A and B are subsets of U, then `n((AuuB)')` equals

Text Solution

Verified by Experts

The correct Answer is:
3
Promotional Banner

Topper's Solved these Questions

  • CHAPTERWISE NUMERIC INTEGER ANSWER QUESTIONS

    DISHA PUBLICATION|Exercise CHAPTER 2|15 Videos
  • CHAPTERWISE NUMERIC INTEGER ANSWER QUESTIONS

    DISHA PUBLICATION|Exercise CHAPTER 3|14 Videos
  • BINOMIAL THEOREM

    DISHA PUBLICATION|Exercise EXERCISE-2 (CONCEPT APPLICATOR)|30 Videos
  • COMPLEX NUMBERS AND QUADRATIC EQUATIONS

    DISHA PUBLICATION|Exercise Exercise -2 : Concept Applicator|30 Videos

Similar Questions

Explore conceptually related problems

If n(U)=50, n(A)=24, and n(B)= 30 where U is the universal set, then find (i) The greatest value of n(A cup B) (ii) The least value of n(A cap B)

If n(U) = 700, n(A) = 200, n(B) = 240, n (A cap B) = 100, then n(A' cup B') equals

If n(U)=1200, n(A)=900 and n(B)=700 where U is the universal set then find: (i) The greatest value of n(A cup B) (ii) The least value of n(A cap B) .

If n(U)=60, n(A)=26 and n(B)=36 where U is the universal set then find: (i) The greatest Value of n(A cup B) (ii) The least value of n(A cap B) .

If n(U)=50,n(A)=20,n(A uu B)=18 then n(B-A) is

Let U be the universal set B, C are sub-sets of U. If A = B cup C , then U -(U - ((U-A')))) is equal to

DISHA PUBLICATION-CHAPTERWISE NUMERIC INTEGER ANSWER QUESTIONS-CHAPTER 27
  1. Given n(U) = 20, n(A) = 12, n(B) = 9, n(AnnB) = 4, where U is the univ...

    Text Solution

    |

  2. Two cards are drawn successively with replacement from a well-shuffled...

    Text Solution

    |

  3. Two coins are available, one fair and the other two-headed. Choose a c...

    Text Solution

    |

  4. The chance of India winning toss is 3//4. If it wins the toss, then it...

    Text Solution

    |

  5. An urn contains 5 red and 2 green balls. A ball is drawn at random fro...

    Text Solution

    |

  6. If two events A and B are such that P(A^( C)) = 0.3 and P(B) = 0.4 and...

    Text Solution

    |

  7. The probability of happening an event A in one trial is 0.4. Find the ...

    Text Solution

    |

  8. If the probability of hitting a target by a shooter, in any shot is 1/...

    Text Solution

    |

  9. Two aeroplanes I and II bomb a target in succession. The probabilities...

    Text Solution

    |

  10. Four persons can hit a target correctly with probabilities (1)/(2),(1)...

    Text Solution

    |

  11. A die is tossed 5 times. Getting and odd number is cosidered a success...

    Text Solution

    |

  12. Assumes that each born child is equally likely to be a boy or a girl. ...

    Text Solution

    |

  13. If X follows a binomial distribution with parameters n=6 and p. If 4(P...

    Text Solution

    |

  14. A problem in mathematics is given to three students A ,B ,C and their ...

    Text Solution

    |

  15. The probability that A speaks truth is 4/5 , while this probability fo...

    Text Solution

    |

  16. Minimum number of times a fair coin must be tossed so that the probili...

    Text Solution

    |