Home
Class 12
MATHS
A class contains 4 boys and g girls. Eve...

A class contains 4 boys and g girls. Every Sundy, five students with atleast 3 boys go for a picnic. A different group is being sent every week. During the picnic, the class teacher gives each girls in the group a doil. If the total number of dolls distributed is 85, find g

Promotional Banner

Topper's Solved these Questions

  • PERMUTATIONS AND COMBINATIONS

    VIKRAM PUBLICATION ( ANDHRA PUBLICATION)|Exercise LONG ANSWER QUESTIONS|12 Videos

  • PARTIAL FRACTIONS

    VIKRAM PUBLICATION ( ANDHRA PUBLICATION)|Exercise EXERCISE- 7|32 Videos

  • PROBABILITY

    VIKRAM PUBLICATION ( ANDHRA PUBLICATION)|Exercise DAM SURE|13 Videos

Similar Questions

Explore conceptually related problems

A class contains 4 boys and g girls. Every Sunday, five students with atleast 3 boys go for a pincnic. A different group is being sent every week. During the picnic, the class teacher gives each girls in the group a doll. If the total number of dolls distributed is 85, find g.

In a mathematical class the ratio of the boys to the girls is 3:2. If the difference in the number of boys to girls is 18. Find the total number of students.

80 students of class -X took part in a picnic. If the number of boys is 12 more than the number of girls, then find the number of boys and the number of girls who took part in the picnic.

VIKRAM PUBLICATION ( ANDHRA PUBLICATION)-PERMUTATIONS AND COMBINATIONS-TAXTUAL EXERCISES
  1. If ""^(n)P(4)=210, find n.

    Text Solution

    |

  2. If ""^(12)C(r)=495, find the possible values of (r ).

    Text Solution

    |

  3. If ""^(n)P(r)=5040 and ""^(n)C(r)=210, find n and r.

    Text Solution

    |

  4. If ""^(n)C(4)=""^(n)C(6), find n.

    Text Solution

    |

  5. If ""^(17)C(2t+1)=""^(17)C(3t-5), find t.

    Text Solution

    |

  6. If ""^(9)C(3)+""^(9)C(5)=""^(10)C(r) then find r.

    Text Solution

    |

  7. Find the number of ways of forming a committee of 5 members from 6 men...

    Text Solution

    |

  8. Find the number of ways of forming a committee of 5 members from 6 men...

    Text Solution

    |

  9. Prove that for 3 le" r " le n, ""^((n-3))C(r)+.""^((n-3))C((r-1))+3....

    Text Solution

    |

  10. Find the number of ways of selecting 3 girls and 3 boys out of 7 girls...

    Text Solution

    |

  11. Find the number of ways of selecting a committee of 6 members out of 1...

    Text Solution

    |

  12. Find the number of ways of selecting 5 books from 9 different mathemat...

    Text Solution

    |

  13. Find the number of diagonals of a polygon with 12 sides.

    Text Solution

    |

  14. If n persons are sitting in a row, find the number of ways of selectin...

    Text Solution

    |

  15. Find the number of ways of giving away 4 similar coins to 5 boys if ea...

    Text Solution

    |

  16. Prove thaty (""^(4n)C(2n))/(""^(2n)C(n))=(1.3.5…..(4n-1))/({1.3.5…..(2...

    Text Solution

    |

  17. Find the numbers of ways of selecting a cricket team of 11 players fro...

    Text Solution

    |

  18. If 5 vowels and 6 consonants are given, then how many 6 letter words c...

    Text Solution

    |

  19. Find the number of ways in which 12 things be (i) divided into 4 equal...

    Text Solution

    |

  20. A class contains 4 boys and g girls. Every Sundy, five students with a...

    Text Solution

    |