Home
Class 12
MATHS
A bag contains 50 tickets numbered 1, 2,...

A bag contains 50 tickets numbered 1, 2, 3, .., 50 of which 5 are drawn at random and arranged in ascending order of magnitude `x_1 < x_2 < x_3 < x_4 < x_5` Find the probability that `x_3=30.`
a. `(.^20C_2times.^29C_2)/(.^50C_5)`
b. `(.^20C_2)/(.^50C_5)`
c.`(.^29C_2)/(.^50C_5)`
d. None of these

A

`(.^20C_2times.^29C_2)/(.^50C_5)`

B

`(.^20C_2)/(.^50C_5)`

C

`(.^29C_2)/(.^50C_5)`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
(a)
Promotional Banner

Topper's Solved these Questions

  • PROBABILITY

    ARIHANT MATHS|Exercise Probability Exercise 1: Single Option Single Correct Type Question|1 Videos

  • PROBABILITY

    ARIHANT MATHS|Exercise Exercise (More Than One Correct Option Type Questions)|15 Videos

  • PROBABILITY

    ARIHANT MATHS|Exercise Exercise For Session 4|15 Videos

  • PERMUTATIONS AND COMBINATIONS

    ARIHANT MATHS|Exercise Exercise (Questions Asked In Previous 13 Years Exam)|28 Videos

  • PRODUCT OF VECTORS

    ARIHANT MATHS|Exercise Exercise (Questions Asked In Previous 13 Years Exam)|52 Videos

Similar Questions

Explore conceptually related problems

Arrange in increasing order of solubility in water : C_(6)H_(5)NH_(2),(C_(2)H_(5))_(2)NH,C_(2)H_(5)NH_(2)

Arrange in increasing order of boiling points : C_(2)H_(5)OH,(CH_(3))_(2)NH,C_(2)H_(5)NH_(2)

Four test tubes A,B,C and D contain solutions of pH 3.0, 5.0, 6.0 and 6.5. Arrange these in decreasing order of acidic characters

^5C_1+^5C_2+^5C_3+^5C_4+^5C_5 is equal to

Four test tubes A,B,C and D contain solutions of pH 3.0, 5.0, 6.0 and 6.5. Arrange these in decreasing order of H_3O^(+)ions

Arrange the following : Decreasing order of basic strength in gas phase : C_2H_5NH_2, (C_2H_5)_2NH, (C_2H_5)_3N and NH_3

Arrange the following : In decreasing order of the pK_b values: C_2H_5NH_2, C_6H_5NHCH_3, (C_2H_5)_2NH and C_6H_5NH_2

Arrange the following in decreasing order of their basic strength in aqueous solution. C_(6)H_(5)NH_(2).C_(2)H_(5)NH_(2),(C_(2)H_(5))_(2)NH,NH_(3)

Arrange the following : Increasing order of basic strength : C_6H_5NH_2,C_6H_5NHCH_3, C_6H_5CH_2NH_2

The sum of series .^(20)C_0-^(20)C_1+^(20)C_2-^(20)C_3+....+^(20)C _10 is

ARIHANT MATHS-PROBABILITY-Exercise (Single Option Correct Type Questions)
  1. Three of the six vertices of a regular hexagon are chosen the rando...

    Text Solution

    |

  2. If two of the 64 squares are chosen at random on a chess board, the pr...

    Text Solution

    |

  3. A letter is known to have come from CHENNAI, JAIPUR, NAINITAL, DUBAI a...

    Text Solution

    |

  4. Let a die is loaded in such a way that prime number faces are twice as...

    Text Solution

    |

  5. One ticket is selected at random from 100 tickets numbered 00, 01, 02,...

    Text Solution

    |

  6. All the spades are taken out from a pack of cards. From these cards; c...

    Text Solution

    |

  7. A number is selected at random from the first 25 natural numbers. If...

    Text Solution

    |

  8. A bag contains 50 tickets numbered 1, 2, 3, .., 50 of which 5 are draw...

    Text Solution

    |

  9. India plays two matches each with West Indies and Australia . In any ...

    Text Solution

    |

  10. Three six faced dice are tossed together, then the probability that ex...

    Text Solution

    |

  11. Three six-faced dice are thrown together. The probability that the sum...

    Text Solution

    |

  12. A book contains 1000 pages. A page is chosen at random. Find the proba...

    Text Solution

    |

  13. A bag contains 4 tickets numbered 00, 01, 10 and 11. Four tickets are ...

    Text Solution

    |

  14. Fifteen coupens are numbered 1,2,3,...15 respectively. Seven coupons a...

    Text Solution

    |

  15. A box contains tickets numbered 1 to 20.3 tickets are drawn from the b...

    Text Solution

    |

  16. An unbiased die with faces marked 1,2,3,45 and 6 is rolled four times...

    Text Solution

    |

  17. A bag contains four tickets marked with numbers 112, 121, 211,222. One...

    Text Solution

    |

  18. Two non negative integers are chosen at random. The probability that t...

    Text Solution

    |

  19. Two positive real numbers x and y satisfying xle1 and yle1 are chosen ...

    Text Solution

    |

  20. If the lengths of the sides of a triangle are decided by the three thr...

    Text Solution

    |