Home
Class 12
MATHS
If A and B are mutually exclusive events...

If A and B are mutually exclusive events, given that `P(A)=3/5,P(B)=1/5`, then P(A or B) is

A

0.8

B

0.6

C

0.4

D

0.2

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • K-CET-MATHEMATICS - 2014

    SUNSTAR PUBLICATION|Exercise MCQs|59 Videos
  • K-CET-MATHEMATICS -2019

    SUNSTAR PUBLICATION|Exercise MCQs|58 Videos

Similar Questions

Explore conceptually related problems

If A and B are mutually excusive events, given that P(A) = 3/5 , P(B)=1/5 , then P (A or B) is

If A and B are two mutually exclusive events , then :

A abd B are mutually ecxclusive events such that P(A)=3/5andP(B)=2/7 then find P(AuuB) .

If A and B are mutually exclusive events with P(B) ne 1 then P(A|bar B) =

The probability of happening of an event A is 0.5 and that of B is 0.3. If A and B are mutually exclusive events, then the probability of neither A nor B is

The probability of happening of an event A is 0.5 and that of B is 0.3 . If A and B are mutually exclusive events, then probability of neither A nor B is

If A and B are mutually exclusive events and P(A) = 0*28 , P(B) = 0*44 , find P(overlineA) .

Events A,B,C are mutually exclusive events such that P(A) = (3x+1)/3 , P(B) = (1-x)/4 and P(C ) = (1-2x)/2 . The set of possible values of x are in the interval :

SUNSTAR PUBLICATION-K-CET-MATHEMATICS -2018-MULTIPLE CHOICE QUESTIONS
  1. The probability of happening of an event A is 0.5 and that of B is 0.3...

    Text Solution

    |

  2. In a simultaneous throw of a pair of dice, the probability of getting ...

    Text Solution

    |

  3. If A and B are mutually exclusive events, given that P(A)=3/5,P(B)=1/5...

    Text Solution

    |

  4. Let f,g:RrarrR be two functions defined as f(x)=|x|+x and g(x)=|x|-xAA...

    Text Solution

    |

  5. A is a set having 6 distinct elements. The number of distinct function...

    Text Solution

    |

  6. Let f: RrarrR be defined by f(x)={(2x , xgt3),(x^(2), 1ltxle3),(2x,xle...

    Text Solution

    |

  7. If sin^(-1)x+cos^(-1)y=(2pi)/5," then "cos^(-1)x+sin^(-1)y is

    Text Solution

    |

  8. The value of the expression tan(1/2"cos"^(-1)2/sqrt5)is

    Text Solution

    |

  9. if A =[(2,-2),(-2,2)]," then " A^(n)=2^(k)A, where k=

    Text Solution

    |

  10. If [(1,1),(-1,1)][(x),(y)]=[(2),(4)],then the values of x and y respec...

    Text Solution

    |

  11. If A=[(cos alpha, sin alpha),(-sin alpha, cos alpha)], then verify tha...

    Text Solution

    |

  12. If x,y,z in R, then the value of determinant |((5^(x)+5^(-x))^(2) , ...

    Text Solution

    |

  13. The value of determinant |(a-b ,b+c,a),(b-a,c+a,b),(c-a,a+b,c)| is

    Text Solution

    |

  14. If (x(1),y(1)),(x(2),y(2)) and (x(3),y(3)) are the vertices of a trian...

    Text Solution

    |

  15. Let A be a square matrix of order 3xx3" then "|5A|=

    Text Solution

    |

  16. If f(x)={((sqrt(1+kx)-sqrt(1-kx))/x),((2x+1)/(x-1)):} if -1lexlt0 is c...

    Text Solution

    |

  17. If cosy=xcos(a+y)" with "cosa!= +-1, then dy/dx is equal to

    Text Solution

    |

  18. If f(x)=|cosx-sinx|," then "f^(1)(pi/6) is equal to

    Text Solution

    |

  19. If y=sqrt(x+sqrt(x+sqrt(x+............oo))), m then dy/dx=

    Text Solution

    |

  20. if f(x)={((log(e)x)/(x-1),,,x!=1),(k,,, x=1):} is continuous at x=1, t...

    Text Solution

    |