Home
Class 11
MATHS
Two balls are selected from two black a...

Two balls are selected from two black and two red balls. The probability that the two balls will have no black balls is

A

`(1)/(7)`

B

`(1)/(5)`

C

`(1)/(4)`

D

`(1)/(6)`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • PROBABILITY

    TARGET PUBLICATION|Exercise COMPETITIVE THINKING (ADDITION THEOREM AND CONDITIONAL PROBABILITY)|73 Videos
  • PROBABILITY

    TARGET PUBLICATION|Exercise COMPETITIVE THINKING (MISCELLANEOUS)|3 Videos
  • PROBABILITY

    TARGET PUBLICATION|Exercise CRITICAL THINKING (BAYES THEOREM AND ODDS)|13 Videos
  • FACTORIZATION FORMULAE

    TARGET PUBLICATION|Exercise EVALUATION TEST|8 Videos
  • SETS, RELATIONS AND FUNCTIONS

    TARGET PUBLICATION|Exercise EVALUATION TEST|14 Videos

Similar Questions

Explore conceptually related problems

If two balls are drawn from a bag containing 3 white,4 black and 5 red balls,then the probability that the drawn balls are of different colours is

A bag contains 6 red,3 black and 6 white balls.A ball is selected at random from the bag.Find the probability that the selected ball is : (a) red or black (b) not black

Bag A contains 4 red and 5 black balls and bag B contains 3 red and 7 black balls.One ball is drawn from bag A and two from bag B.Find the probability that out of 3 balls drawn,two are black and one is red.

Threre are 9 red,7 white and 4 black balls in an urn. If two balls are selected at random what is the probability that one ball is white and the other ball is red ?

Two balls are drawn at random with replacement from a box containing 10 black and 8 red balls.Find the probability that (i) both balls are red.(ii) first ball is black and second is red.(iii) one of them is black and other is red.

Two balls are drawn at random with replacement from a box containing 10 black and 8 red balls. Find the probability that i. both balls are red, ii. first ball is black and second is red, iii. One of them is black and other is red.

An urn contains 10 balls colored either black or red. When selecting two balls from the urn at random, the probability that a ball of each color is selected is 8/15. Assuming that the urn contains more black balls than red balls, the probability that at least one black ball is selected, when selecting two balls is (A) 18/45 (B) 30/45 (C) 39/45 (D) 41/45

There are 6 red and 5 black balls in a bag.Two balls are drawn at random one after another with replacement.The probability that both the balls drawn may be red is

Two balls are drawn at a random with replacement from a box containing 10 black and 8 red balls. Find the probability that i. both the balls are red. Ii. first ball is black and second is red. iii. One of them is black and other is red.

TARGET PUBLICATION-PROBABILITY-COMPETITIVE THINKING (ALGEBRA OF EVENTS , CONCEPT OF PROBABILTIY)
  1. The corrners of regular tetrahedrons are number 1,2,3,4. Three te...

    Text Solution

    |

  2. A box contains 6 red marbles numbers form 1 through 6 and 4 white m...

    Text Solution

    |

  3. Two balls are selected from two black and two red balls. The probabi...

    Text Solution

    |

  4. A Flashlight has 10 batteries out of which 4 are dead If 3 batteries ...

    Text Solution

    |

  5. From 4 red balls, 2 white balls and 4 black halls , four halls are s...

    Text Solution

    |

  6. A letter is taken out at random from 'ASSISTANT and another is taken o...

    Text Solution

    |

  7. A bag contains 5 red balls, 3 black balls and 4 white balls. 3 balls ...

    Text Solution

    |

  8. A box contains 6 nails and 10 nuts. Half of the nails and half of t...

    Text Solution

    |

  9. Two integers are chosen at random and multiplied. Find the probabil...

    Text Solution

    |

  10. Write the probability that a number selected at random from the set of...

    Text Solution

    |

  11. An integer is chosen form {2k//-9k le k le 10} . The probability ...

    Text Solution

    |

  12. The probability that a non-leap your selected at random will contain 5...

    Text Solution

    |

  13. Two dice, one black and one white are rolled. The probability that su...

    Text Solution

    |

  14. Two cards are drawn at random from a pack of 52 cards. Find the proba...

    Text Solution

    |

  15. A bag contains 17 tickets, numbered from 1 to 17. A ticket is drawn an...

    Text Solution

    |

  16. If the letters of the word PROBABILITY are written down at random in a...

    Text Solution

    |

  17. Letters in the word HULULULU are rearranged. The probability of all th...

    Text Solution

    |

  18. 26 cards numbered from 1 to 26. One card is chosen. Probability that ...

    Text Solution

    |

  19. A coin is tossed four times. The probability that atleast one heads tu...

    Text Solution

    |

  20. In a throw of three dice, the probability that at least one die sows u...

    Text Solution

    |