Home
Class 11
MATHS
The set of weak students in a class is :...

The set of weak students in a class is :

A

a null set

B

a singleton set

C

a finite set

D

Not a well defined collection.

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • RELATIONS AND FUNCTIONS

    MODERN PUBLICATION|Exercise EXERCISE|226 Videos

  • PROBABILITY

    MODERN PUBLICATION|Exercise EXERCISE|348 Videos

  • SEQUENCES AND SERIES

    MODERN PUBLICATION|Exercise EXERCISE|435 Videos

Similar Questions

Explore conceptually related problems

The set of poor students in the class is :

Let A be the set of all students of class XII in a school and R be the relation, having the same sex on A, and then prove that R is an equivalence relation.

The collection of all students in your class is set or collection

Let A be the set of all 50 students of class XII in a school. Let f: A rarr N be the function defined by : f (x) = Roll number of the student x. Prove that 'f' is one-one but not onto.

The ages of the students of a class form an A.P. whose common difference is 4 months. If the youngest student is 8 years old and the sum of the ages of all the students of the class 1s 168 years, find the number of students in the class.

There are 25 students in a class in which 15 boys and 10 girls. The class teacher select either a boy or girl for monitor of the class. In how many ways the class teacher can make this selection?

Let X = {Ram, Geeta, Akbar} be the set of students of XI class who are in School Hockey team. Let Y = {Geeta, David, Ashok} be the set of students of XI class who are in School Football team. Find X uu Y and X nn Y and interpret the set.

The students of Class VIII of a school donated Rs 2401 in all, for Prime Minister’s National Relief Fund. Each student donated as many rupees as the number of students in the class. Find the number of students in the class.

The distribution below gives the weights of 30 students of a class. Find the median weight of the students.

MODERN PUBLICATION-RELATIONS AND FUNCTIONS -EXERCISE
  1. The set of principals in a school is :

    Text Solution

    |

  2. The set of Girls in a Boys school is

    Text Solution

    |

  3. The set of weak students in a class is :

    Text Solution

    |

  4. (A uu B)^(c) is equal to :

    Text Solution

    |

  5. If f(x) = 2x - 5, then f (0) is :

    Text Solution

    |

  6. The range of f (x) = ( 1 + x^(2))/( x^(2))

    Text Solution

    |

  7. If f(x)=2x-5, then f(1) is

    Text Solution

    |

  8. Suppose A(1), A(2),….,A(30) are thirty sets each with five elements an...

    Text Solution

    |

  9. For any two sets A and B, A - (A - B) equals :

    Text Solution

    |

  10. The domain of definition of the function : f(x)= sqrt(1+ loge (1-x)) i...

    Text Solution

    |

  11. Two finite sets A and B have m and n elements respectively. If the tot...

    Text Solution

    |

  12. If f (x) satisfies the relation : 2 f(x) +f (1 -x) = x^2 for all real ...

    Text Solution

    |

  13. f(x)= 1/([sqrt(|x|-x)]). Domain of the function is :

    Text Solution

    |

  14. Let A and B be sets. If A nn X = B nn X =phi and A uu X = B uu X for s...

    Text Solution

    |

  15. If S is a set with 10 elements and A={(x,y): x,y in S,x ne y}, then th...

    Text Solution

    |

  16. If A and B are subsets of a set X, then what is : (A nn (X -B))uu B eq...

    Text Solution

    |

  17. If V = {x: x+2=0} R= {x: x^2+2x =0} S= {x: x^2+x-2=0}. then for what ...

    Text Solution

    |

  18. What is the total number of proper subsets of a set containing n eleme...

    Text Solution

    |

  19. Which one of the following is correct?

    Text Solution

    |

  20. Let R = {x|x in N, x is a multiple of 3 and xle100} S= {x|x in N, x is...

    Text Solution

    |