Home
Class 12
MATHS
The number of non-bijective mappings tha...

The number of non-bijective mappings that can be defined from `A= {1,2,7}` to itself is

Promotional Banner

Topper's Solved these Questions

  • INVERSE TRIGONOMETRIC FUNCTIONS

    RESONANCE DPP|Exercise All Questions|15 Videos
  • MATRICES

    RESONANCE DPP|Exercise All Questions|7 Videos

Similar Questions

Explore conceptually related problems

If set A has 3 elements and the set B has 5 elements , then , the number of injective mappings that can be defined from A to B is :

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

The set A has 4 elements and thse set B has 5 elements, then the number of injective mapping that can be defined from A to B is

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

If n ge 2 then the number of surjections that can be defined from {1, 2, 3, ….n} to {1, 2} is

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

The number of surjections that can be defined from A={1,2,3,.......n} to B={a,b} is 30 then the value of n is A)4 B)5 C)6 D)7

The number of one one functions that can be defined from A={a,b,c} into B=(1,2,3,4,5) is

The number of one one onto functions that can be defined from A={a,b,c,d ) into B={1,2,3,~ 4}~

The number of one one onto functions that can be defined from A={a,b,c,d} into B={1,2,3,4} is

RESONANCE DPP-JEE MAINS-All Questions
  1. If a relation R on the set N of natural numbers is defined as (x,y)hAr...

    Text Solution

    |

  2. Let R be a relation on N defined by R = {(x, y) : x + 2y = 8). Then do...

    Text Solution

    |

  3. The number of non-bijective mappings that can be defined from A= {1,2,...

    Text Solution

    |

  4. A survey shows that 63% of the Americans like cheese 4 whereas 76% lik...

    Text Solution

    |

  5. Examine which of the following statements are true or false : (i) {a...

    Text Solution

    |

  6. Which of the following statements are true and which of them are false...

    Text Solution

    |

  7. Write the following sets in the tabular form: {x : x is letter in the ...

    Text Solution

    |

  8. Write the following sets in the tabular form: {x : x=n//(n+1),n is a n...

    Text Solution

    |

  9. Write the following sets in the tabular form: {x : x is a positive pri...

    Text Solution

    |

  10. Write the following sets in the tabular form: {x : x is a digit in the...

    Text Solution

    |

  11. Which of the following are sets? Justify your answer. A team of eleven...

    Text Solution

    |

  12. If two events A and B are such that P(A^c)=0. 3. P(B)=0. 4a n dP(AnnB^...

    Text Solution

    |

  13. Which of the following are sets? Justify your answer. The collection o...

    Text Solution

    |

  14. Which of the following are sets? Justify your answer. (i)  The coll...

    Text Solution

    |

  15. (x^2-7x+12)/(2x^2-4x+5)>0

    Text Solution

    |

  16. Write of the following sets in the set builder form: {-1,1}

    Text Solution

    |

  17. Product of real roots of the equation t^2x^2+|x|+9=0 a. is always +ve...

    Text Solution

    |

  18. Write of the following sets in the set builder form: {1}

    Text Solution

    |

  19. Greatest positive term of a H.P. whose first who first two terms are 2...

    Text Solution

    |

  20. Prove that : (tanA/2)/((a-b)(a-c))+(tanB/2)/((b-a)(b-c))+(tanC/2)/((c-...

    Text Solution

    |