Home
Class 10
MATHS
A shopkeeper has 100 memory cards in a b...

A shopkeeper has 100 memory cards in a box. Among them 15 memory cards Are defective when a person came to the shop to buy a memory cards, the shopkeeper draw a memory card at random from the box then (i) What is the probability that memory card is defective? (ii) After drawing the first memory card which is defective, it is not placed back in the box”. Then what is the probability that this memory card is not defective.

Text Solution

Verified by Experts

The correct Answer is:
`43/50`
Promotional Banner

Topper's Solved these Questions

  • PROBABILITY

    VGS PUBLICATION-BRILLIANT|Exercise CREATIVE QUESTION FOR CCE MODEL EXAMINATION|12 Videos
  • PROBABILITY

    VGS PUBLICATION-BRILLIANT|Exercise PART-B OBSERVATION BITS TO SOLVE VARIOUS BITS GIVEN IN THE PUBLIC EXAMINATION|29 Videos
  • PROBABILITY

    VGS PUBLICATION-BRILLIANT|Exercise PAR-A OBSERVATION MATERIAL TO SOLVE VARIOUS QUESTION GIVEN IN THE PUBLIC EXAMINATION (2- MARK)|10 Videos
  • POLYNOMIALS

    VGS PUBLICATION-BRILLIANT|Exercise EXERCISE|244 Videos
  • PROBABILITY (MULTIPLE CHOICE QUESTION)

    VGS PUBLICATION-BRILLIANT|Exercise PROBABILITY (MULTIPLE CHOICE QUESTION)|20 Videos

Similar Questions

Explore conceptually related problems

A shopkeeper has 100 memory cards in a box. Among then, 15 memory cards are defective. When a person came to the shop to buy a memory card, the shopkeeper drew a memory card at random from the box. Then, what is the probability that this memory card is defective?

What is the probability that it is face card?

What is the probability it is not a face card?

What is the probability that is the face card of spades?

You have a single deck of well shuffled cards. Then What is the probability that it is a face card?

If a card is drawn from pack, find the probability that the card is Ace or spade.

You have a single deck of well shuffled cards. Then What is the probability that is the face card of spades?

What is the probability of drawing out a red king from a deck of cards?

You have a single deck of well shuffled cards. Then, What is the probability that the card drawn will be a queen?

VGS PUBLICATION-BRILLIANT-PROBABILITY-PAR-A OBSERVATION MATERIAL TO SOLVE VARIOUS QUESTION GIVEN IN THE PUBLIC EXAMINATION (4- MARK)
  1. From a deck of 52 playing cards, king , Ace and 10 of clubs were remov...

    Text Solution

    |

  2. From a deck of 52 playing cards, king , Ace and 10 of clubs were remov...

    Text Solution

    |

  3. From a deck of 52 playing cards, king , Ace and 10 of clubs were remov...

    Text Solution

    |

  4. A bag contains 20 discs, which are numbered from 1 to 20. If one disc ...

    Text Solution

    |

  5. A bag contains 20 discs, which are numbered from 1 to 20. If one disc ...

    Text Solution

    |

  6. A bag contains 20 discs, which are numbered from 1 to 20. If one disc ...

    Text Solution

    |

  7. A bag contains 20 discs, which are numbered from 1 to 20. If one disc ...

    Text Solution

    |

  8. There are 100 flash cards labelled from 1 to 100 in a bag. When a card...

    Text Solution

    |

  9. There are 100 flash cards labelled from 1 to 100 in a bag. When a card...

    Text Solution

    |

  10. A shopkeeper has 100 memory cards in a box. Among then, 15 memory card...

    Text Solution

    |

  11. A shopkeeper has 100 memory cards in a box. Among them 15 memory cards...

    Text Solution

    |

  12. A bag contains 5 red balls and some blue balls, If the probability of ...

    Text Solution

    |

  13. Two dice are rolled at same time and the sum of the numbers appearing ...

    Text Solution

    |

  14. A bag contains some square cards. A prime number between 1 and 100 ha...

    Text Solution

    |

  15. From the deck of 52 cards, if a card is randomly chosen , find the pro...

    Text Solution

    |

  16. From the deck of 52 cards, if a card is randomly chosen , find the pro...

    Text Solution

    |

  17. Two dice are thrown at the same time what is the probability that the ...

    Text Solution

    |

  18. Two dice are thrown at the same time what is the probability that the ...

    Text Solution

    |

  19. Two dice are thrown at the same time what is the probability that the ...

    Text Solution

    |

  20. Two dice are thrown at the same time what is the probability that the ...

    Text Solution

    |