Home
Class 12
MATHS
A coin whose faces are marked 3 and 5 is...

A coin whose faces are marked 3 and 5 is tossed 4 times. The odds against the sum of the numbers thrown being less than 15 are

A

`11 : 5`

B

`5 : 11`

C

`11 : 16`

D

`5 : 16`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • PROBABILITY

    AAKASH SERIES|Exercise Practise Exercise|165 Videos

  • PROBABILITY

    AAKASH SERIES|Exercise Exercise-I|125 Videos

  • PERMUTATIONS & COMBINATIONS

    AAKASH SERIES|Exercise PRACTICE EXERCISE|163 Videos

  • QUADRATIC EQUATIONS & EXPRESSIONS

    AAKASH SERIES|Exercise PRACTICE EXERCISE|88 Videos

Similar Questions

Explore conceptually related problems

A coin whose faces are marked 3 and 4 is tossed five times. Find the probability of getting sum atleast 17.

Two coins whose faces are market 1 and 2 are tossed. What is mean value of the total value of numbers?

Five coins whose face are marked 3, 4 are thrown. The chance of obtaining a total of 18 is

Five coins are tossed whose faces are marked 2 and 3 . Find the probability of getting sum 12.

A fair coin is tossed 100 times. The probability of getting tails an odd number of times is

Six faces of a die are marked with numbers 1, -1, 0, -2, 2, 3 and the die is thrown thrice. The probability that the sum of the numbers thrown is six, is

Two numbers are chosen at random from (1,2,3,4,5,6,7,8) at a time. The probability that smaller of the two numbers is less than 4 is

AAKASH SERIES-PROBABILITY-Exercise-II
  1. An unbaiseed coin is tossed to get 2 points for tunring up a head and ...

    Text Solution

    |

  2. Two dice are rolled simultaneously . The probability of getting an eve...

    Text Solution

    |

  3. A coin whose faces are marked 3 and 5 is tossed 4 times. The odds agai...

    Text Solution

    |

  4. If two dice are rolled, then the probability of getting 5 on none of t...

    Text Solution

    |

  5. When two dice are rolled simultaneously then the probability of gettin...

    Text Solution

    |

  6. Six faces of an unbaised die are numbered with 2,3,5,7,11 and 13. If t...

    Text Solution

    |

  7. A six faced die is so baised that it is twice as likely to show an odd...

    Text Solution

    |

  8. A die is loaded so that the probability of a face i is proportional to...

    Text Solution

    |

  9. Two dice one green and the other red are rolled and separate scores re...

    Text Solution

    |

  10. A and B throw a die each simultaneously. The odds infavour of A not th...

    Text Solution

    |

  11. A die is loaded such that 1 turning upwards is 2 times as often as 6 a...

    Text Solution

    |

  12. If three six faced dice are tossed together, then the probability that...

    Text Solution

    |

  13. Four dice are rolled, then the probability that at least one digit on ...

    Text Solution

    |

  14. Three faces of a fair die are yellow, two faces are red and one face i...

    Text Solution

    |

  15. An arbitrary cube has four blank faces, one face marked 2 and another ...

    Text Solution

    |

  16. The coefficients b and c of the equation x^(2)+bx+c=0 are determined b...

    Text Solution

    |

  17. If m is a natural number such that m le 5 , then the probability that ...

    Text Solution

    |

  18. If two cards are selected from a pack of cards, the probability of get...

    Text Solution

    |

  19. If 3 cards are drawn from a pack of 52 cards at random, then the proba...

    Text Solution

    |

  20. Two cards are drawn simultaneously from a pack of cards. Find the prob...

    Text Solution

    |