Home
Class 12
MATHS
A box contains 2 white balls 3 blac...

A box contains 2 white balls 3 black balls and 4 red balls . The number of ways in which there ballls can be drawn from the box so that at least one of the balls is black is

A

74

B

84

C

64

D

20

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • PERMUTATIONS & COMBINATIONS

    DIPTI PUBLICATION ( AP EAMET)|Exercise EXERCISE 2 ( SPECIAL TYPE QUESTIONS ) SET -1|9 Videos
  • PERMUTATIONS & COMBINATIONS

    DIPTI PUBLICATION ( AP EAMET)|Exercise EXERCISE 2 ( SPECIAL TYPE QUESTIONS ) SET -2|5 Videos
  • PERMUTATIONS & COMBINATIONS

    DIPTI PUBLICATION ( AP EAMET)|Exercise EXERCISE 1A (PERMUTATIONS )|199 Videos
  • PARTIAL FRACTIONS

    DIPTI PUBLICATION ( AP EAMET)|Exercise EXERCISE 2 SET - 4|2 Videos
  • PROBABILITY

    DIPTI PUBLICATION ( AP EAMET)|Exercise EXERCISE 2 (SPECIAL TYPE QUESTIONS) SET-4|5 Videos

Similar Questions

Explore conceptually related problems

A box contains 2 white balls, 3 black balls and 4 red balls. The number of ways can 3 balls be drawn from the box if atleast one black ball is to be included in the draw is

A bag contains 5 black and 6 red balls. Determine the number of ways in which 2 black and 3 red balls can be selected.

The number of ways can 5 red and 4 white balls be drawn from a bag containing 10 red and 8 white balls is

From a bag containing 4 white balls and 5 black balls a person draws 3 balls at random. The odds in favour of these 3 balls being black are

A bag contains 5 white, 7 blacks and 4 red balls,3 are drawn at random . The probability that all the three balls are white is

An urn contains 5 white and 3 black balls and 4 balls are drawn at random. The probability of getting white and black balls equal in number is-

A bag contains 5 red balls , 3 black balls and 4 white balls . There balls are drawn at random. The propability that they are not of same colour is

A bag contains 2 white and 3 black balls and another bag contains 4 white and 2 black balls. One bag is selected at random and a ball is drawn from it. Find the probability that the colour of the ball is white.

A bag contains four balls. 3 white balls and 1 black ball.2 balls are drawn random. The probability that 2 balls are white is

DIPTI PUBLICATION ( AP EAMET)-PERMUTATIONS & COMBINATIONS-EXERCISE 1B (COMBINATIONS )
  1. 6 jobs are vacant in an office 8 men and 5 women have applied...

    Text Solution

    |

  2. In how many ways can 8 Indians, 4 Americans and 4 Englilshmen be seate...

    Text Solution

    |

  3. A box contains 2 white balls 3 black balls and 4 red balls ...

    Text Solution

    |

  4. There are two cars of which one holds not more than 5 and ...

    Text Solution

    |

  5. From 6 gentlmen and 4 ladies a committee of 5 is to be formed, Th...

    Text Solution

    |

  6. A student is to answer 10 out 13 questions in an examination such ...

    Text Solution

    |

  7. A cricket 11 is to be selected out of 14 players of whom 5 are ...

    Text Solution

    |

  8. A cricket club consists of 16 members of which only 6 can bowl...

    Text Solution

    |

  9. A committee of 5 is to be formed from 6 boys and 5 girls . T...

    Text Solution

    |

  10. Out of 8 boys and 5 girls a committee of 6 . The number of way...

    Text Solution

    |

  11. A cricket term of 11 players is to formed from 16 players inc...

    Text Solution

    |

  12. For a cricket trem people from one class and 8 people from ano...

    Text Solution

    |

  13. Acommittee of 12 members is to formed from 9 women and 8 men ...

    Text Solution

    |

  14. In how many can 4 scholarships be distributed among 6 M.P.C .,...

    Text Solution

    |

  15. A student has to answer 10 out of 13 questions in an examinatio...

    Text Solution

    |

  16. A candidate is required to answer 6 out of 10 questions which a...

    Text Solution

    |

  17. A candiate is required to answer 7 questions out of 12 questio...

    Text Solution

    |

  18. A candidate is required to answer 6 question at least one questio...

    Text Solution

    |

  19. A candidate is required to answer 6 questions by choosing at least one...

    Text Solution

    |

  20. How many combinations can be formed out of 8 counters marked 1,2...

    Text Solution

    |