Home
Class 11
MATHS
Rajdhani Express going from Bombay to De...

Rajdhani Express going from Bombay to Delhi stops at five intermediate stations, 10 passengers enter the train during the journey with 10 different ticket of two class. The number of different sets of tickets they may have is
a. `""^15 C_(10)`
b. `""^20 C_(10)`
c. `""^30 C_(10)`
d. none of these

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

A train is going from kolkata to Delhi stops at nine intermediate stations. Six persons enter the train during the journey with six different tickets. How many different sets of tickets they have had ?

The term independent of a in the expansion of (1+sqrt(a)+1/(sqrt(a)-1))^(-30)i s ^30 C_(20) b. 0 c. ^30 C_(10) d. none of these

Kanchan has 10 friends among whom two are married to each other. She wishes to invite five of them for a party. If the married couples refuse to attend separately, then the number of different ways in she can invite five friends is a. ""^8C_5 b. 2xx ""^8C_3 c. ""^10 C_5-2xx ""^8C_4 d. none of these

In the decimal system of numeration of six-digit numbers in which the sum of the digits is divisible by 5 is a. 180000 b. 540000 c. 5xx10^5 d. none of these

A fair die is thrown 20 times. The probability that on the 10th throw, the fourth six appears is a. (.^20 C_(10)xx5^6)/6^(20) b. (120xx5^7)/6^(10) c. (84xx5^6)/6^(10) d. none of these

The number of abdominal segments in male and female cockroach is (a) 10, 10 (b) 9, 10 (c) 10, 11 (d) 8, 10

There are 10 points in a plane of which no three points are collinear and four points are concyclic. The number of different circles that can be drawn through at least three points of these points is (A) 116 (B) 120 (C) 117 (D) none of these

The 15th term of the series 2 1/2+1 7/(13)+1 1/9+(20)/(23)+.... i s (10)/(39) b. (10)/(21) c. (10)/(23) d. none of these

The box contains tickets numbered from 1 to 20. Three tickets are drawn from the box with replacement. The probability that the largest number on the tickets is 7 is a. 2//19 b. 7//20 c. 1-(7//20)^3 d. none of these

There are three stations A, B and C . If five routes for going from station A to station B and four routes for going from station B to station C, than find the number of different ways through which a person can go from A to C via B.

CENGAGE PUBLICATION-PERMUTATIONS AND COMBINATIONS-All Questions
  1. The number of different ways in which five "alike dashes" and "eight...

    Text Solution

    |

  2. Statement 1: the number of ways of writing 1400 as a product of two ...

    Text Solution

    |

  3. Rajdhani Express going from Bombay to Delhi stops at five intermedia...

    Text Solution

    |

  4. In a test , there were n number of question. In the test 2^(n - i) stu...

    Text Solution

    |

  5. If N denotes the number of ways of selecting r objects of out ...

    Text Solution

    |

  6. Number of ways in which 30 identical things are distributed among six ...

    Text Solution

    |

  7. (10!)=(2)^p.(3)^q.(5)^r.(7)^8 then

    Text Solution

    |

  8. A is a set containing n elements. A subset P1 is chosen and A is recon...

    Text Solution

    |

  9. Let n be a four-digit integer in which all the digits are different....

    Text Solution

    |

  10. If P = 21(21^2-1^2)(21^2-2^2)(21^2-3^2)...............(21^2-10^2),t h ...

    Text Solution

    |

  11. Statement 1: number of ways in which 10 identical toys can be distri...

    Text Solution

    |

  12. Statement 1: The number of positive integral solutions of a b c=30 is ...

    Text Solution

    |

  13. Prove by combinatorial argument that .^(n+1)Cr=^n Cr+^n C(r-1)dot

    Text Solution

    |

  14. Prove that (n !)! is divisible by (n !)^((n-1)!)

    Text Solution

    |

  15. Column I, Column II Number of straight lines joining any two of ...

    Text Solution

    |

  16. If the number of selections of 6 different letters that can be made...

    Text Solution

    |

  17. If n1 and n2 are five-digit numbers, find the total number of ways...

    Text Solution

    |

  18. If n1a n dn2 are five-digit numbers, find the total number of ways ...

    Text Solution

    |

  19. If a denotes the number of permutations of (x+2) things taken all at a...

    Text Solution

    |

  20. If .^nPr = .^nP(r + 1) and .^nCr = .^nC(r-1) then the value of n + r...

    Text Solution

    |