Home
Class 11
MATHS
21.A student has to answer 10 questions,...

21.A student has to answer 10 questions, choosing at least 4 fromeach of part A and B. If there are 6 questions in part A and 7 inpart B. In how many ways can the student choose 10 questions?

Text Solution

Verified by Experts

The correct Answer is:
266
Promotional Banner

Topper's Solved these Questions

  • PERMUTATIONS AND COMBINATIONS

    MODERN PUBLICATION|Exercise Questions From NCERT Exemplar|4 Videos

  • PERMUTATIONS AND COMBINATIONS

    MODERN PUBLICATION|Exercise EXERCISE 7 (a) Short Answer Type Questions|18 Videos

  • PERMUTATIONS AND COMBINATIONS

    MODERN PUBLICATION|Exercise CHAPTER TEST|12 Videos

  • MOCK TEST

    MODERN PUBLICATION|Exercise SECTION - D|5 Videos

  • PROBABILITY

    MODERN PUBLICATION|Exercise CHAPTER TEST|12 Videos

Similar Questions

Explore conceptually related problems

A question peper has two parts, part A and part B, each containing 12 questions. If the student has to choose 7 questions from part A and 4 from part B, in how many ways can he choose the questions ?

A question paper contain 15 questions. In how many ways can 7 questions be attempted?

A question papers consists of twelve, divided into three parts. Part A contains 6 questions while B and Ccontain 3 questions each. A candidate is required to attempt six questions, selecting atleast two fromPart A and atleast one from each parts B and C. In how many ways can the candidate select 6 questions?

A sports team of 11 students is to be constituted, choosing at least 5 from class XI and at least 5 from class XII. If there are 25 students in each of these classes, in how many ways can the teams be constituted?

A question paper contains 20 questions in how many ways can 4 questions be attempted?

A question paper has two parts, part A and part B, each containing 10 questions. If the student has to choose 8 from part A and 5 from part B, in how many ways can he choose the question?

MODERN PUBLICATION-PERMUTATIONS AND COMBINATIONS -Frequently Asked Questions
  1. How many numbers greater than 56000 and farmed by using the digits 4,5...

    Text Solution

    |

  2. Find the sum of all the numbers that can be formed with the digits 2, ...

    Text Solution

    |

  3. The number of natural numbers smaller than 10^4 of which all digits ar...

    Text Solution

    |

  4. How many 6-digit telephone numbers can be constructed with digits 0...

    Text Solution

    |

  5. There are 6 candidates contesting for a certainoffice n a municipal el...

    Text Solution

    |

  6. How many words, with or without meanings, can be formed using all the ...

    Text Solution

    |

  7. In how many ways can 9 examination papers arranged so the best and the...

    Text Solution

    |

  8. The letters of the word 'RANDOM' are written in all possible orders an...

    Text Solution

    |

  9. The Principal wants to arrange 5 students on the platform such that th...

    Text Solution

    |

  10. Six candidtes are called for interview to fill four posts in an office...

    Text Solution

    |

  11. Three married couples are to be seated in a row having six seats in a ...

    Text Solution

    |

  12. How many signals can be made by hoisting 5 flags of different colours ...

    Text Solution

    |

  13. A committee of 7 has to be formed from 9 boys and 4 girls. In how many...

    Text Solution

    |

  14. What is the number of ways of choosing 4 cards from a pack of 52 pl...

    Text Solution

    |

  15. 21.A student has to answer 10 questions, choosing at least 4 fromeach ...

    Text Solution

    |

  16. A cricket team of 11 players is to be selected from 16 players includi...

    Text Solution

    |

  17. A person wishes to make up as many different parties as he can out of ...

    Text Solution

    |

  18. In a village, there are 87 families of which 52 families have at most ...

    Text Solution

    |

  19. If m parallel lines in a plane are intersected by a family of n par...

    Text Solution

    |