Home
Class 14
MATHS
A quadratic equation is cjoen from the ...

A quadratic equation is cjoen from the set of all quadratic equations which are unchanged by squaring the roots. The chance that the chosen equation has equal root, is

A

`1/2`

B

`1/3`

C

`1/4`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • PROBABILITY

    DISHA PUBLICATION|Exercise PRACTICE EXERCISE (STANDARD LEVEL)|65 Videos

  • PROBABILITY

    DISHA PUBLICATION|Exercise PRACTICE EXERCISE (EXPERT LEVEL)|46 Videos

  • PROBABILITY

    DISHA PUBLICATION|Exercise TEST YOURSELF|15 Videos

  • PERMUTATIONS AND COMBINATIONS

    DISHA PUBLICATION|Exercise TEST YOURSELF|15 Videos

  • PROFIT, LOSS AND DISCOUNT

    DISHA PUBLICATION|Exercise Test Yourself|15 Videos

Similar Questions

Explore conceptually related problems

A quadratic equation is chosen from the set of all quadratic equations which are unchanged by squaring the roots. The chance that the chosen equation has equal root, is

A quadratic equation is chosen from the set of all the quadratic equations which are unchaged by squaring their roots. The chance that the equation has unequal roots is

Find the number of quadratic equations,which are unchanged by squaring their roots.

Write the number of quadratic equation with real roots,which do not change by squaring their roots.

Nature of Roots of Quadratic equation

Number of roots the quadratic equation have

A quadratic equation with real roots is formed such that,its roots remain unchanged even squaring them.The root can be

DISHA PUBLICATION-PROBABILITY-PRACTICE EXERCISE (FOUNDATION LEVEL)
  1. If two dice are tossed, find the probability of throwing a total of te...

    Text Solution

    |

  2. From a pack of 52 cards two are drawn with replacement. The probabilit...

    Text Solution

    |

  3. Two cards are selected at random from a deck of 52 playing cards. The ...

    Text Solution

    |

  4. If A and B are two independent events such that p(a) = 1/6 and P(b) = ...

    Text Solution

    |

  5. If A and B are two independent events such that P (A) =1//2, P(B)=1//5...

    Text Solution

    |

  6. Card is drawn from a pack of 52 cards. A persons bets that it is a spa...

    Text Solution

    |

  7. The probability that a man will live 10 more years is 1//4 and the pro...

    Text Solution

    |

  8. A and B play a game where each is asked to select a number from 1 to 2...

    Text Solution

    |

  9. In a box containing 100 bulbs, 10 are defective. The probability that...

    Text Solution

    |

  10. The probability of happening an event A in one trial is 0.4. Find the ...

    Text Solution

    |

  11. Find the probability of drawing a jack or an ace from a pack of playin...

    Text Solution

    |

  12. When two dice are thrown, the probability that the difference of the n...

    Text Solution

    |

  13. In shuffling a pack of cards three are accidentally dropped. The proba...

    Text Solution

    |

  14. A quadratic equation is cjoen from the set of all quadratic equations...

    Text Solution

    |

  15. Four persons are selected at random out of 3 men, 2 women and 4 chi...

    Text Solution

    |

  16. It is given that the events A and B are such that P(A)=(1)/(4),P((A)/(...

    Text Solution

    |

  17. A coin is tossed and a dice is rolled. Find the probability that th...

    Text Solution

    |

  18. An urn contains one black ball and one green ball. A second urn contai...

    Text Solution

    |

  19. An urn contains one black ball and one green ball. A second urn contai...

    Text Solution

    |

  20. The probability that a student will pass in Mathematics is 3/5 and the...

    Text Solution

    |