Home
Class 12
MATHS
How many signals can be made by 5 flags ...

How many signals can be made by 5 flags from 8 flags of different colours?

A

a.`8C_5`

B

b.`8C_(5) xx 5!`

C

c.`5^8`

D

d.`8^5`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • PARABOLA

    HIMALAYA PUBLICATION|Exercise QUESTION BANK|233 Videos

  • PROBABILITY

    HIMALAYA PUBLICATION|Exercise QUESTION BANK|213 Videos

Similar Questions

Explore conceptually related problems

How many different signals can be given using any number of flags from 4 flags of different colours?

The number of signals, that can be sent by 5 flags of different colours , taking one or more at a time is :

How many different selections of 6 books can be made from 11 different books, if (i) two particular books are always selected. (ii) two particular books are never selected?

How many tangents can a circle have ?

How many words can be formed by taking four different letters of the word ' MATHEMATICS '' ?

How many necklace of 12 beads, each can be made from 18 beads of various colours?

How many electrons can have l=2and n=5?

In how many ways 5 different balls can be arranged into 3 different boxes so that no box remains empty?

Find the number of groups that can be made from 5 different green balls, 4 different blue balls and 3 different red balls, if at least 1 green and 1 blue ball is to be included.

HIMALAYA PUBLICATION-PERMUTATION AND COMBINATIONS-Question Bank
  1. nCr+2. nC(r-1)+nC(r-2)=

    Text Solution

    |

  2. If n+2C(8):n-2P(4)=57:16 then the value of 'n' is

    Text Solution

    |

  3. How many signals can be made by 5 flags from 8 flags of different col...

    Text Solution

    |

  4. How many different words each containing 3 vowels and 5 consonants ca...

    Text Solution

    |

  5. The number of permutations of 'n' different objects taken r at a time...

    Text Solution

    |

  6. The number of different seven digit numbers that can be written usin...

    Text Solution

    |

  7. A polygon has 170 diagnols. How many sides will it have?

    Text Solution

    |

  8. The number of 2 xx 2 matrices having elements 0 and 1 is

    Text Solution

    |

  9. There are 'n' seats round a table numbered 1,2, 3,….,n. The number of...

    Text Solution

    |

  10. All the letters of the word ' EAMCET '' are arranged in all possible w...

    Text Solution

    |

  11. The straight lines , l1,l2 and l3 are parallel and lie in the same pla...

    Text Solution

    |

  12. The sum of the digits in unit place of all the numbers formed with the...

    Text Solution

    |

  13. The number of ways in which 5 boys and 3 girls can he seated in a row ...

    Text Solution

    |

  14. The maximum number of points into which 4 circles and 4 st . Lines int...

    Text Solution

    |

  15. The maximum number of points of intersection of 7 circles is

    Text Solution

    |

  16. The number of four digit even numbers that can be formed using 0,1,2,3...

    Text Solution

    |

  17. How many four digit numbers can be formed using digits 1,2,3,4,5 such ...

    Text Solution

    |

  18. A committee of 6 is chosen from 10 men and 7 women so as to contain at...

    Text Solution

    |

  19. In a class of 10 students there are 3 girls. The number of ways they c...

    Text Solution

    |

  20. There are 3 copies each of 4 different books. The number of ways they ...

    Text Solution

    |