Home
Class 11
MATHS
From 6 different novels and 3 different ...

From 6 different novels and 3 different dictionaries, 4 novels and 1 dictionary are to be selected and arranged in a row on a shelf so that the dictionary is always in the middle. Then the number of such arrangements is (1) less than 500 (2) at least 500 but less than 750 (3) at least 750 but less than 1000 (4) at least 1000

Text Solution

Verified by Experts

The correct Answer is:
`4!^(6)C_(4)^(3)C_(1)`
Promotional Banner

Topper's Solved these Questions

  • PERMUTATIONS AND COMBINATIONS

    CBSE COMPLEMENTARY MATERIAL|Exercise Section - C(Short answer type question)|21 Videos

  • MATHEMATICAL REASONING

    CBSE COMPLEMENTARY MATERIAL|Exercise SECTION-B SHORT ANSWER TYPE QUESTIONS|5 Videos

  • PRACTICE PAPER DESIGN - I

    CBSE COMPLEMENTARY MATERIAL|Exercise SECTION -D|6 Videos

Similar Questions

Explore conceptually related problems

The coefficient of x^3 in the expansion of (1+2x+3x^2)^(10) is - (1) less than 200 (2) less than 400 but greater than 200 (3) greater than 400 (4) 420

Using the number line, write the integer which is (a) 4 more than -5 (b) 3 less than 2 (c) 2 less than –2

Arrange the following words as per order in the dictionary. 1. Pearl 2. Peasant 3. Pea 4 . Peanut .

The number of 3 ´ 3 non-singular matrices, with four entries as 1 and all other entries as 0, is (1) 5 (2) 6 (3) at least 7 (4) less than 4

Using the number line , write the integer which is : (i) 3 more than 5 (ii) 4 more than - 1 (iii) 5 less than 3 (iv) 2 less than - 3

Using the number line, write the integer which is (i) 4 more than 6 (ii) 5 more than -6 (iii) 6 less than 2 (iv) 2 less than -3

Arrange the following words as per order in the dictionary: 1.Still 2. Stifile 3. Stink 4. Stingy

Electron affinity of sulphur is 1) More than O and Se 2) More than O but less than Se 3) Less than O but more than Se 4) Equal to O and Se

CBSE COMPLEMENTARY MATERIAL-PERMUTATIONS AND COMBINATIONS -Section - D(Long answer type question)
  1. Using the digits 0, 1, 2, 3, 4, 5, 6 how many 4 digit even numbers can...

    Text Solution

    |

  2. There are 15 points in a plane out of which only 6 are in a straight l...

    Text Solution

    |

  3. If there are 7 boys and 5 girls in a class, then in how many ways they...

    Text Solution

    |

  4. If there are 7 boys and 5 girls in a class, then in how many ways they...

    Text Solution

    |

  5. Using the letters of the word 'EDUCATION' how many words using 6 lette...

    Text Solution

    |

  6. (i)What is the number of ways of choosing 4 cards from a deck of 52 ca...

    Text Solution

    |

  7. What is the number of ways of choosing 4 cards from a deck of 52 cards...

    Text Solution

    |

  8. What is the number of ways of choosing 4 cards from a deck of 52 cards...

    Text Solution

    |

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

    Text Solution

    |

  10. How many 3 letter words can be formed using the letters of theword INE...

    Text Solution

    |

  11. How many different four letter words can be formed (with or without me...

    Text Solution

    |

  12. If all letters of word ‘MOTHER’ are written in all possible orders and...

    Text Solution

    |

  13. In how many ways three girls and nine boys can be seated in two vans, ...

    Text Solution

    |

  14. From 6 different novels and 3 different dictionaries, 4 novels and ...

    Text Solution

    |

  15. The set S""=""{1,""2,""3,"" ,""12) is to be partitioned into thr...

    Text Solution

    |

  16. The value of ""^(50)C(4)+sum(r=1)^(6)""^(56-r)C(3), is

    Text Solution

    |

  17. There are two parallel lines L1 and I2 in a plane I1 contains mdiffer...

    Text Solution

    |