Home
Class 14
MATHS
A bag contains 25 balls numbered from 1 ...

A bag contains 25 balls numbered from 1 to 25 .Two balls are selected one by one with replacement at random . What is the probability that the `1^("st")` ball is a prime number and `2^("nd")` ball is a perfect square ?

A

`(16)/(125)`

B

`(8)/(125)`

C

`(3)/(25)`

D

`(28)/(125)`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • PERMUTATION ,COMBINATION AND PROBABILITY

    ADDA247|Exercise Mains Questions |20 Videos

  • PERMUTATION ,COMBINATION AND PROBABILITY

    ADDA247|Exercise Previous Year Question|25 Videos

  • PERMUTATION ,COMBINATION AND PROBABILITY

    ADDA247|Exercise Prelims Questions (Level - 1)|34 Videos

  • PERCENTAGE

    ADDA247|Exercise PREVIOUS YEAR QUESTION|26 Videos

  • PROFIT AND LOSS

    ADDA247|Exercise Previous Year Questions|30 Videos
ADDA247-PERMUTATION ,COMBINATION AND PROBABILITY -Prelims Questions (Level - 2)
  1. If all the alphabets used in the word RAINBOW are arranged such that i...

    Text Solution

    |

  2. A bag contains 25 balls numbered from 1 to 25 .Two balls are selected ...

    Text Solution

    |

  3. There is 12 people in a group .When two people are selected at random ...

    Text Solution

    |

  4. A bag contains 4 white and 6 black balls , another bag contains 4 whit...

    Text Solution

    |

  5. How many different 4 - digit numbers are there which have the digits 1...

    Text Solution

    |

  6. The probability of solving a question by jindal is 3/5 while that of n...

    Text Solution

    |

  7. In how many ways can Shreyas select 4 seats in a bus of 40 seats (2X2)...

    Text Solution

    |

  8. In a bag there are 16 balls of three different colors i.e red ,blue an...

    Text Solution

    |

  9. A bag (X) contains some red balls and some green balls , and their res...

    Text Solution

    |

  10. A bag (X) contains some red balls and some green balls , and their res...

    Text Solution

    |

  11. A bag contains 12 balls (Red & blue ). Two balls are taken out randoml...

    Text Solution

    |

  12. A bag contains 4 blue and 5 black balls and another bag contains 2 gre...

    Text Solution

    |

  13. What is the probability of picking up 2 red shirts from a pile of 15 s...

    Text Solution

    |

  14. In how many ways can a team of 4 people be formed from 4 boys & 5 girl...

    Text Solution

    |

  15. A bag has 6 blue balls ,'x' red balls and 5 green balls .If two balls ...

    Text Solution

    |

  16. A and B invested Rs. 2000 and Rs. (2000 +x) respectively . B withdraw ...

    Text Solution

    |

  17. Three cards are drawn randomly from a pack of 52 cards , then find the...

    Text Solution

    |

  18. Find how many words can be formed from the word COMBINATION ,such that...

    Text Solution

    |

  19. Bag - A contains 8 red balls and 4 green balls and bag B contains 6 re...

    Text Solution

    |

  20. There are 32 students in a classroom , in which some are girls and res...

    Text Solution

    |