Home
Class 12
MATHS
A composite number is selected at random...

A composite number is selected at random from the first 30 natural numbers and it is divided by 5. The probability that there will be remainder is (a) `14/19` (b) `5/19` (c) `5/6` (d) `7/15`

Promotional Banner

Topper's Solved these Questions

  • PRINCIPLE OF MATHEMATICAL INDUCTION

    CENGAGE PUBLICATION|Exercise Sovled Examples|22 Videos
  • PROBABILITY I

    CENGAGE PUBLICATION|Exercise JEE Advanced|7 Videos

Similar Questions

Explore conceptually related problems

A number is chosen at random from the first 11 natural numbers, then the probability that the chosen number is even, is -

Three numbers are chosen at random from the first 20 natural numbers. The probability that their product is even is -

If three numbers are drawn are drawn at random from the frist 30 natural numbers, then the probability that they are in A.P.

A number is chosen at random among the first 120 natural numbers. What is the probability that the number chosen being a multiple of 5 or 15 ?

Two number a and b are chosen at random from the set of first 30 natural numbers. Find the probability that a^2-b^2 is divisible by 3.

If two numbers a and b are-chosen at random from the 1st 30 natural numbers, find the probability that the expresion (a^2 -b^2) is divisible by 3.

Three distinct numbers are selected from first 100 natural numbers. The probability that all the three numbers are divisible by 2 and 3 is -

A number is chosen at random from the first 50 positive integers. Find the probability that the chosen number is divisible by 4 or 5.

Two numbers are selected randomly from the set S={1,2,3,4,5,6} without replacement one by one. The probability that minimum of the two numbers is less than 4 is (a) 1/15 (b) 14/15 (c) 1/5 (d) 4/5

A three-digit number is selected at random from the set of all three-digit numbers. The probability that the number selected has all the three digits same is 1//9 b. 1//10 c. 1//50 d. 1//100

CENGAGE PUBLICATION-PROBABILITY-All Questions
  1. A pair of numbers is picked up randomly (without replacement) from the...

    Text Solution

    |

  2. A dice is thrown six times, it being known that each time a different ...

    Text Solution

    |

  3. A composite number is selected at random from the first 30 natural num...

    Text Solution

    |

  4. A bag contains 20 coins. If the probability that the bag contains e...

    Text Solution

    |

  5. A doctor is called to ses a sick child. The doctor knows (prior to the...

    Text Solution

    |

  6. There are two bags each containing 10 books all having different title...

    Text Solution

    |

  7. A bag contain n white and n black balls, all of equal size. Balls are ...

    Text Solution

    |

  8. From an urn containing a white and b black balls, k balls are drawn an...

    Text Solution

    |

  9. Suppose Aa n dB shoot independently until each hits his target. They h...

    Text Solution

    |

  10. A fair coin is flipped n times. Let E be the event "a head is obtained...

    Text Solution

    |

  11. Two cards are drawn from a will shuffled pack of 52 cards. The prob...

    Text Solution

    |

  12. Let S = {1,2,3,..., 40} and let A be a subset of S such that notwo ele...

    Text Solution

    |

  13. A bag contains 10 different balls. Five balls are drawn simultaneously...

    Text Solution

    |

  14. Two numbers a ,b are chosen from the set of integers 1, ,2 3, ..., 39....

    Text Solution

    |

  15. Statement 1: Out of 5 tickets consecutively numbered, three are drawn ...

    Text Solution

    |

  16. An unbiased normal coin is tossed n times. Let E1: event that both...

    Text Solution

    |

  17. Answer the following questions : If m things are distributed among a m...

    Text Solution

    |

  18. Of three independent events, the chance that only the first occurs is ...

    Text Solution

    |

  19. Two numbers x and y are chosen at random (without replacement) from am...

    Text Solution

    |

  20. Eight players P1, P2, P3, ...........P8, play a knock out tournament....

    Text Solution

    |