Home
Class 12
MATHS
An urn contains 6 red and 5 blue ball...

An urn contains 6 red and 5 blue balls. Two balls are drawn at random with replacement. Find the probability of getting (i) 2 red balls (ii) 2 blue balls (iii) one red and one blue ball

Promotional Banner

Topper's Solved these Questions

  • EXAM REVISION SERIES

    XII BOARD PREVIOUS YEAR PAPER ENGLISH|Exercise All Questions|19 Videos

Similar Questions

Explore conceptually related problems

An urn contains 4 red and 7 black balls. Two balls are drawn at random with replacement. Find the probability of getting i. 2 red balls, ii. 2 black balls, iii. One red and one black ball.

An urn contains 7 red and 4 blue balls. Two balls redrawn at random with replacement. Find the probability of getting 2 red balls 2 blue balls one red and one blue ball.

A box contains 3 red and 5 blue balls. Two balls are drawn one by one at as time at random without replacement. Find the probability of getting 1 red and 1 blue ball.

A bag contains 5 red and 3 blue balls. If 3 balls are drawn at random without replacement, them the probability of getting exactly one red ball is

A bag contains 5 red and 3 blue balls . If three balls are drwan at random without replacement , the probability of getting exactly one red ball is

A bag contains 4 red , 6 white and 5 black balls 2 balls are drawn at random . Find the probability of getting one red and one white ball .

An urn contains 4 white and 3 red balls. Three balls are drawn at random from the urn with replacement. Find the probability distribution of the number of red balls.

A box contains 3 orange balls, 3 green balls and 2 blue balls. Three balls are drawn at random from the box without replacement. Find the probability of drawing 2 green balls and one blue ball.

An urn contains 10 red and 8 white balls. One ball is drawn at random. Find the probability that the ball drawn is white.

An urn contains 4 white and 6 red balls. Four balls are drawn at random from the urn. Find the probability distribution of the number of white balls.

XII BOARD PREVIOUS YEAR PAPER ENGLISH-BOARD PAPER SOLUTIONS-All Questions
  1. A card is drawn at random from a well-shuffled pack of 52 cards. Fi...

    Text Solution

    |

  2. Evaluate: int0^pi(xsinx)/(1+cos^2x)\ dx

    Text Solution

    |

  3. An urn contains 6 red and 5 blue balls. Two balls are drawn at rand...

    Text Solution

    |

  4. A particle is projected with a velocity of 39.2 m/sec at an elevati...

    Text Solution

    |

  5. Find the resultant of two velocities 6 km/hr and 6\ sqrt(2) km/hr i...

    Text Solution

    |

  6. Two forces act at a point and are such that if the direction of one...

    Text Solution

    |

  7. Find the equation of the plane passing through the intersection of ...

    Text Solution

    |

  8. Find the equation of the sphere which is passing through the points ...

    Text Solution

    |

  9. Find the value of lambda , which makes the vectors vec a ,\ vec b...

    Text Solution

    |

  10. A particle starting with initial velocity of 26 m/sec moves with a ...

    Text Solution

    |

  11. A body of mass 50 kg, suspended by two strings of lengths 30 cm and...

    Text Solution

    |

  12. Find the point on the curve y^2=4x which is nearest to the point (2, 1...

    Text Solution

    |

  13. Show that a cylinder of a given volume which is open at the top has...

    Text Solution

    |

  14. If y=acos(logx)+bsin(logx), prove that x^2(d^2y)/(dx^2)+\ x(dy)/(dx)...

    Text Solution

    |

  15. Verify Rolle's theorem for the function f(x)=\ x^2-5x+6 on [2, 3].

    Text Solution

    |

  16. Using matrices, solve the following system of equations: 2x-y+z= -3, ...

    Text Solution

    |

  17. Find the derivative of cos(2x+1) w.r.t. x from first principle.

    Text Solution

    |

  18. Evaluate: \lim{x\rightarrow0}\ ((sqrt(1+x)\ -\ sqrt(1-x))/(sin^(-1)x))

    Text Solution

    |

  19. Solve the following differential equation : ("x"^2-1)"dy"/("dx")+2"xy...

    Text Solution

    |

  20. Using integration calculate the area of the region bounded by the t...

    Text Solution

    |