Home
Class 12
MATHS
If n (A) =5 and n(B ) =7 , then the ...

If n (A) =5 and n(B ) =7 , then the number of relations on ` A xx B` is

A

`2^(35)`

B

`2^(49)`

C

`2^(25)`

D

`2^(35xx 35)`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • RELATIONS AND FUNCTIONS

    NEW JOYTHI PUBLICATION|Exercise EXERCISE|25 Videos

  • PROBABILITY

    NEW JOYTHI PUBLICATION|Exercise QUESTIONS FROM COMPETITIVE EXAMS|20 Videos

  • SEQUENCES AND SERIES

    NEW JOYTHI PUBLICATION|Exercise QUESTIONS FROM COMPETITIVE EXAMS|105 Videos

Similar Questions

Explore conceptually related problems

If n (A) =3 ,n(B)=6 and A sube B .Then the number of elements in A cup B is equal to

Given A= {3,4,5} b={2} the number of relation from A to B is _____

If n (A) =8: n(B) =2 then the total no. of relation that exists between A and B is :

If n(A)=10 and n(B)=15 then the minimum and maximum number of elements in AnnB is

If n(AtimesB)=20 and n(A)=5 then n(B)=

Let A ={2,3},B={4,6} . let R be relation on A defined by R ={(A,b),a in A,b in B , a divides b} find A xx B and the number of relations from A to B .

Let n(A)=m and n(B)=n that the total number of non-empty relations that can be defined from A to B is

If n (A xx B) =24 and A = {1,3,5,7} then n (B) is

NEW JOYTHI PUBLICATION-RELATIONS AND FUNCTIONS -QUESTIONS FROM COMPETITIVE EXAMS
  1. If a function f satisfies f (f(x))=x+1 for all real values of x ...

    Text Solution

    |

  2. If f is a real valued function such that f(x+y) = f(x) + f(y)...

    Text Solution

    |

  3. Let f(x ) = ( alpha x^2 )/(x+1),x ne -1 the value of alpha for ...

    Text Solution

    |

  4. Let A = { x,y,z } and b= {a,b,c,d}. which one of the following...

    Text Solution

    |

  5. The domain of the function f (x) = (1)/(sqrt(9-x^2)) is

    Text Solution

    |

  6. If n (A) =5 and n(B ) =7 , then the number of relations on A ...

    Text Solution

    |

  7. Let phi (x) = ( b(x-a))/(b-a)+(a(x-b))/(a-b) , where x in R and ...

    Text Solution

    |

  8. The range of the functions f(x) = (x^2 +8)/(x^2 +4) x in R is

    Text Solution

    |

  9. Let f (x) = [x] , where [x] denotes the greater integer less t...

    Text Solution

    |

  10. In the given figure the angle at A is pi/2 then the graph repre...

    Text Solution

    |

  11. The image of the interval [-1,3] under the mapping f : R to R ...

    Text Solution

    |

  12. the domain of the function f(x) = ( log (x+3))/(x^2 +3x +2) is

    Text Solution

    |

  13. The number of function that can be defined from the set A = {...

    Text Solution

    |

  14. The range of the function f(x) = x^2 +2x +2 is

    Text Solution

    |

  15. IF f(x) = ( x+2)/(3x-1) , then f(f(x)) is

    Text Solution

    |

  16. The function f (x) = log (x + sqrt(x^2 +1)) is

    Text Solution

    |

  17. Domain of definitation of the function f(X ) = (3)/(4-x^2) + ...

    Text Solution

    |

  18. If F :R to R satisfies f(x +y ) =f(x) + f(y) for all x ,y in R ...

    Text Solution

    |

  19. The graph of the function y= f (x) is symmetrical about the line...

    Text Solution

    |

  20. A real valued function f (x) satisfies the functional equation f...

    Text Solution

    |