Home
Class 14
MATHS
The quadratic equation ax^(2)+bx+c=0 has...

The quadratic equation `ax^(2)+bx+c=0` has real roots if:

A

`15/36`

B

`17/36`

C

`19/36`

D

`21/36`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • PROBABILITY

    DISHA PUBLICATION|Exercise TEST YOURSELF|15 Videos

  • PROBABILITY

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

Let a,b,c in R and a gt 0 . If the quadratic equation ax^(2) +bx +c=0 has two real roots alpha and beta such that alpha gt -1 and beta gt 1 , then show that 1 + |b/a| + c/a gt 0

If the quadratic equation ax^(2)+bx+c=0 has real roots of opposite sign in the interval (-2,2), then prove that 1+(c)/(4a)-|(b)/(2a)|>0

The quadratic equation ax^(2)+5bx+2c=0 has equal, roots if

a,b,c in R,a!=0 and the quadratic equation ax^(2)+bx+c=0 has no real roots,then

a, b, c, in R, a ne 0 and the quadratic equation ax^(2) + bx + c = 0 has no real roots, then which one of the following is not true?

If a+b+c>(9c)/(4) and quadratic equation ax^(2)+2bx-5c=0 has non-real roots,then-

Three dice are thrown,the numbers appearing on them are respectively a,b and c.chance that the roots of the quadratic equation ax^(2)+bx+c=0 are real is

DISHA PUBLICATION-PROBABILITY-PRACTICE EXERCISE (EXPERT LEVEL)
  1. If M and N are any two events, then the probability that exactly one o...

    Text Solution

    |

  2. It is known that at noon at a certain place the sun is hidden by cloud...

    Text Solution

    |

  3. A, B, C in order, cut a pack of cards, replacing them after each cut, ...

    Text Solution

    |

  4. What is the probability that any two different cards of a well-shuffle...

    Text Solution

    |

  5. Three integers are chosen at random from the first 20 integers. The pr...

    Text Solution

    |

  6. The probability that two integers chosen at random and their product w...

    Text Solution

    |

  7. The probability that the birth days of six different persons will fall...

    Text Solution

    |

  8. A book has 999 pages. If a page is opened at random the probability th...

    Text Solution

    |

  9. Two integers x and y are chosen with replacement out of the set {0, 1,...

    Text Solution

    |

  10. The quadratic equation ax^(2)+bx+c=0 has real roots if:

    Text Solution

    |

  11. Four whole numbers taken at random are multiplied together. What is th...

    Text Solution

    |

  12. A die is thrown 7 times. The chance that an odd number turns up at lea...

    Text Solution

    |

  13. A letter is takenout at random from 'ASSISTANT and another is taken ou...

    Text Solution

    |

  14. A box contains 3 white and 2 red balls. If first drawing ball is not r...

    Text Solution

    |

  15. An event X can happen with probability P, and event Y can happen with ...

    Text Solution

    |

  16. In a bombing of the Nathula pass, the Indian troops have to destroy a ...

    Text Solution

    |

  17. 20 girls, among whom are A and B sit down at a round table. The probab...

    Text Solution

    |

  18. Two integers x and y are chosen with replacement out of the set {0, 1,...

    Text Solution

    |

  19. a consignment of 15 record players contain 4 defectives .the record pl...

    Text Solution

    |

  20. A letter is takenout at random from 'ASSISTANT and another is taken ou...

    Text Solution

    |