Home
Class 11
MATHS
Total numbers formed less than 3xx10^8 a...

Total numbers formed less than `3xx10^8` and can be formed using the digits 1, 2, 3 is equal to a. `1/2(3^9+4xx368)` b. `1/2(3^9-3)` c. `1/2(7xx3^8-3)` d. `1/2(3^9-3+3^8)`

Promotional Banner

Topper's Solved these Questions

  • LOGARITHM

    CENGAGE PUBLICATION|Exercise All Questions|177 Videos

  • PROBABILITY

    CENGAGE PUBLICATION|Exercise All Questions|1 Videos

Similar Questions

Explore conceptually related problems

How many 4 - digit numbers can be formed from the digits 1,1,2,2,3,3,4,5?

How many 4 digit numbers can be formed form the digits,1,1,2,2,3,3,4,4,5,5?

Numbers greater than 1000 but less than 4000 are formed using the digits 0,1,2,3,4 (repetition allowed). Total number of such numbers is-

Find the total number of nine-digit numbers that can be formed using the digits 2, 2, 3, 3, 5, 5, 8, 8, 8 so that the odd digit occupy the even places.

If a ,b ,c ,d in R^+ such that a+b+c=18 , then the maximum value of a^2b^3c^4 is equal to a. 2^(18)xx3^2 b. 2^(18)xx3^3 c. 2^(19)xx3^2 d. 2^(19)xx3^3

The number of five-digit numbers which are divisible by 3 that can be formed by using the digits 1,2,3,4,5,6,7,8 and 9 , when repetition of digits is allowed, is (a) 3^(10) (b) 4.3^(8) (c) 5.3^(8) (d) 7.3^(8)

write greatest and least number of 8 digits with the digits given 8,9,2,4,7,3,2,1

The number of n digit number formed by using digits {1,2,3} such that if 1 appears, it appears even number of times, is

write the greatest and least number of 8 digits with the digits given 7,3,2,1,9,5,6,0

The number of four-digit numbers that can be formed by using the digits 1,2,3,4,5,6,7,8 and 9 such that the least digit used is 4 , when repetition of digits is allowed is

CENGAGE PUBLICATION-PERMUTATIONS AND COMBINATIONS-All Questions
  1. The total number of five digit numbers of different digits in which th...

    Text Solution

    |

  2. The number of four-digit numbers that can be made with the digits 1...

    Text Solution

    |

  3. Total numbers formed less than 3xx10^8 and can be formed using the d...

    Text Solution

    |

  4. If all permutations of the letters in the word 'OBJECT" are arranged (...

    Text Solution

    |

  5. The total number of six-digit natural numbers that can be made with...

    Text Solution

    |

  6. Total number of six-digit number in which all and only odd digits a...

    Text Solution

    |

  7. Among the 8! [permutations of the digits 1, 2, 3..., 8, consider tho...

    Text Solution

    |

  8. The total number of ways of selecting two numbers from the set {1,2...

    Text Solution

    |

  9. The total number of times, the digit 3 will be written when the int...

    Text Solution

    |

  10. The total number of divisor of 480 that are of the form 4n+2,ngeq0,...

    Text Solution

    |

  11. The total number of ways of selecting six coins out of 20 one-rupee ...

    Text Solution

    |

  12. In how many ways can 17 persons depart from railway station in 2 ca...

    Text Solution

    |

  13. The number of ways in which three distinct numbered in an increasing A...

    Text Solution

    |

  14. Let f(n ,k) denote the number of ways in which k identical balls c...

    Text Solution

    |

  15. In a polygon, no three diagonals are concurrent. If the total number...

    Text Solution

    |

  16. Straight lines are drawn by joining m points on a straight line of ...

    Text Solution

    |

  17. A man has three friends. The number of ways he can invite one frien...

    Text Solution

    |

  18. The sum of all the numbers of four different digits that can be mad...

    Text Solution

    |

  19. The sum of digits in the unit's place of all numbers formed with th...

    Text Solution

    |

  20. A person has n friends. The minimum value of n so that a person can in...

    Text Solution

    |