Home
Class 12
MATHS
A binary sequence is an array of '0'...

A binary sequence is an array of '0' s and 1's . The number of n- digit binary sequences which contain even number of 0 s is :

A

`2^(n-1)`

B

`2^(n)-1`

C

`2^(n-1)-1`

D

`2^(n)`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • PERMUTATIONS & COMBINATIONS

    AAKASH SERIES|Exercise PRACTICE EXERCISE|163 Videos

  • PERMUTATIONS & COMBINATIONS

    AAKASH SERIES|Exercise EXERCISE-I|60 Videos

  • PARTIAL FRACTIONS

    AAKASH SERIES|Exercise PRACTICE EXERCISE|31 Videos

  • PROBABILITY

    AAKASH SERIES|Exercise Practise Exercise|165 Videos

Similar Questions

Explore conceptually related problems

The number of number between 1 and 10 ^(10) which contain the digit 1 is

The number of 6 digit number which contains only odd digits and all odd digits must appear is

The number of subsets of the set A={a_(1),a_(2),………..a_(n)} which contain even number of elements is

The number of 5 digited numbers using 0, 1, 2,3, 4 no digit being repeated in any number is

The total number of orbital.s in a shell with principal quantum number .n. is

The number of four digited even numbers that can be formed with the digits 0,1,2,5,7,8 is

The number of four digit even numbers that can be formed from 0,1,2,3,7 are

If A = {1, 2, 3, 4} then the number of binary operations that can be defined on A is

Find the number of 5 - digit numbers that can be formed using the digits 0,1,1,2,3.

AAKASH SERIES-PERMUTATIONS & COMBINATIONS-EXERCISE-II
  1. The number of words which can be formed out of letters a, b, c, d, e, ...

    Text Solution

    |

  2. A three digit number n is such that the last two digits of it ...

    Text Solution

    |

  3. The number of 3 digited numbers "abc' such that bltc is

    Text Solution

    |

  4. A box contains 5 pairs of shoes. If 4 shoes are selected, then the num...

    Text Solution

    |

  5. Number of ways of seating 20 persons at two round tables. Seating 10 t...

    Text Solution

    |

  6. A binary sequence is an array of '0' s and 1's . The number o...

    Text Solution

    |

  7. A guard of 12 men is formed a group of n soldiers . It is found...

    Text Solution

    |

  8. In a polygon, no three diagonals are con current. If the total no. of ...

    Text Solution

    |

  9. A is a set containing n elements. A subset P of A is chosen. The set A...

    Text Solution

    |

  10. A is a set containing n elements. A subset P of A is chosen. The set A...

    Text Solution

    |

  11. A is a set containing n elements. A subset P of A is chosen. The set A...

    Text Solution

    |

  12. There are 10 intermediate stations on a railway line between two parti...

    Text Solution

    |

  13. No.of divisors of the form 4n+2(nge0) of the integer 240 is

    Text Solution

    |

  14. The number of ways in which 6 things can be divided Statement-I: in...

    Text Solution

    |

  15. IF a,b,c be the number of positive integral integral divisors o...

    Text Solution

    |

  16. Match the following {:("List-I","List-II"),((I)""^(n)C(r+1)+2""^(n)C...

    Text Solution

    |

  17. Assertion (A) : If 5 parallel lines intersect 4 parallel lines, then t...

    Text Solution

    |

  18. Assertion (A) : The number of positive integral solutions of x(1)+x(2)...

    Text Solution

    |

  19. There are two ums. Um A has 3 distinct red balls and um B has 9 distin...

    Text Solution

    |

  20. Statement -1 the number of ways of distributing 10 identical ball...

    Text Solution

    |