Home
Class 12
MATHS
If the set A contains 5 elements and the...

If the set A contains 5 elements and the set B contains 6 elements, then the number of one-one and onto mappings from A to B is

A

720

B

120

C

0

D

none of these

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • RELATIONS AND FUNCTIONS

    PRADEEP PUBLICATION|Exercise EXERCISE|401 Videos

  • PROBABILITY

    PRADEEP PUBLICATION|Exercise EXERCISE|467 Videos

  • THREE DIMENSIONAL GEOMETRY

    PRADEEP PUBLICATION|Exercise EXERCISE|373 Videos

Similar Questions

Explore conceptually related problems

Set A has 3 elements and the set B has 4 elements. Then the number of injective mapping that can be defined from A to B is

A set contain n elements, then power set contains:

If the set A has p elements, B has q elements, then the number of elements in AxxB is:

If the set A has 3 elements and the set B = {3, 4, 5}, then find the number of elements in (A xx B) .

Let L denotes the number of subjective functions f : A -> B , where set A contains 4 elementset B contains 3 elements. M denotes number of elements in the range of the function f(x) = sec^-1(sgmx) + cosec^-1(sgn x) where sg n x denotes signum function of x. And N denotes coefficient of t^5 in (1+t^2)^5(1+t^3)^8 . The value of (LM+N) is lambda , then the value of lambda/19 is

PRADEEP PUBLICATION-RELATIONS AND FUNCTIONS-EXERCISE
  1. Let A = (1,2,3) and B = (2,3,4), then which of the following is a func...

    Text Solution

    |

  2. Let A be a finite set containing n distinct elements. The number of fu...

    Text Solution

    |

  3. If the set A contains 5 elements and the set B contains 6 elements, th...

    Text Solution

    |

  4. Set A has 3 elements and the set B has 4 elements. Then the number of ...

    Text Solution

    |

  5. Let N be the set of natural numbers and the function f:N to N be defin...

    Text Solution

    |

  6. Let f : R rarr R be defined by f(x) = 1/x AA x inR, then f is

    Text Solution

    |

  7. Let f : R rarr R be defined by f (x) = x^2 - 3x + 4 for all x in R , ...

    Text Solution

    |

  8. Let f: Rrarr R be defined as f(x) = 2x for all x in N , then f is

    Text Solution

    |

  9. If f is a function from a set A to A, then f is invertible iff f is

    Text Solution

    |

  10. Let f : R rarr R be defined by f(x) = 3x - 4, then f^-1 (x) =

    Text Solution

    |

  11. Let f:[2, infty) to R be the function defined by f(x)=x^(2)-4x+5, then...

    Text Solution

    |

  12. Let f : R rarr R be defined by f(x) = x^2 +1, then, f^-1(17) and f^-1 ...

    Text Solution

    |

  13. Which of the following function from Z to itself are bijections?

    Text Solution

    |

  14. Let f : R rarr R be the functions defined by f(X) = x^3 + 5, then f^-...

    Text Solution

    |

  15. Let f : R - (3/5) rarr R be defined by f(X) = (3x+2)/(5x-3) , then

    Text Solution

    |

  16. Let f : R rarr Rbe given byf(X) = tan x, then f^-1 (1) is

    Text Solution

    |

  17. Let f:R rarr R be defined by f(x)={{:(2x, xgt3),(x^2,1lexlt3),(3x,xl...

    Text Solution

    |

  18. Let f(x)=ax^(2)+bx+c where a,b,c epsilonR, a!=0. Suppose |f(x)|le1,AA ...

    Text Solution

    |

  19. Which of the following functions is differentiable at x = 0 ?

    Text Solution

    |

  20. Let f: RrarrR be defined f(x) = sin x and g: RrarrR be defined by g...

    Text Solution

    |