Home
Class 10
MATHS
There are 40 students in Class X of a sc...

There are 40 students in Class X of a school of whom 25 are girls and 15 are boys. The class teacher has to select one student as a class representative. She writes the name of each student on a separate card, the cards being identical. Then she puts cards in a bag and stirs them thoroughly. She then draws one card from the bag. What is the probability that the name written on the card is the name of (i) a girl? (ii) a boy?

Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

20 cards are numbered from 1 to 20. One card is then drawn at random. What is the probability that the number on the card will be : not a multiple of 4 ?

20 cards are numbered from 1 to 20. One card is then drawn at random. What is the probability that the number on the card will be : odd?

20 cards are numbered from 1 to 20. One card is then drawn at random. What is the probability that the number on the card will be : not a multiple of 6?

20 cards are numbered from 1 to 20. One card is then drawn at random. What is the probability that the number on the card will be : a multiple of 4 ?

20 cards are numbered from 1 to 20. One card is then drawn at random. What is the probability that the number on the card will be : greater than 12?

20 cards are numbered from 1 to 20. One card is then drawn at random. What is the probability that the number on the card will be : divisible by 5?

One card is drawn at random from pack of 52 cards. What is the probability that the card drawn is a face card?

A card is drawn from a pack of playing cards. What is the probability of drawing : an ace card

One card is drawn from a pack of 52 cards. The probability that it is the card of a king or an ace is:

PSEB-PROBABILITY-EXAMPLE
  1. A bag contains a red ball, a blue ball and a yellow ball, all the ball...

    Text Solution

    |

  2. A bag contains a red ball, a blue ball and a yellow ball, all the ball...

    Text Solution

    |

  3. A bag contains a red ball, a blue ball and a yellow ball, all the ball...

    Text Solution

    |

  4. Suppose we throw a die once. What is the probability of getting a numb...

    Text Solution

    |

  5. Suppose we throw a die once. What is the probability of getting a numb...

    Text Solution

    |

  6. One card is drawn from a well shuffled deck of 52 cards. Calculate the...

    Text Solution

    |

  7. One card is drawn from a well shuffled deck of 53 cards. Calculate the...

    Text Solution

    |

  8. Two players, Sangeeta and Reshma, play a tennis match. It is known tha...

    Text Solution

    |

  9. Savita and Hamida are friends. What is the probability that both will ...

    Text Solution

    |

  10. There are 40 students in Class X of a school of whom 25 are girls and ...

    Text Solution

    |

  11. A box contains 3 blue, 2 white and 4 red Marbles. If a marble is drawn...

    Text Solution

    |

  12. A box contains 3 blue, 2 white, and 5 red marbles. If a marble is draw...

    Text Solution

    |

  13. A box contains 3 blue, 2 white, and 6 red marbles. If a marble is draw...

    Text Solution

    |

  14. Harapreet tosses two different coins simultaneously. (say one is of Rs...

    Text Solution

    |

  15. In a musical chair game, the person playing the music has been advised...

    Text Solution

    |

  16. A canon consists of 100 shirts of which 88 are good, 8 have minor defe...

    Text Solution

    |

  17. A canon consists of 100 shirts of which 88 are good, 8 have minor defe...

    Text Solution

    |

  18. Two dice, one blue and one grey, arc thrown at the same time. Write do...

    Text Solution

    |

  19. Two dice, one blue and one grey, arc thrown at the same time. Write do...

    Text Solution

    |

  20. Two dice, one blue and one grey, arc thrown at the same time. Write do...

    Text Solution

    |