Home
Class 12
MATHS
Consider 18- objects (distinct) then the...

Consider 18- objects (distinct) then the probability that we can take odd number of objects in a draw is

A

`1/2`

B

`1/4`

C

`1/8`

D

`1/16`

Text Solution

Verified by Experts

The correct Answer is:
A

Odd and even object draw is a bijection
`:. 1/2`
Promotional Banner

Topper's Solved these Questions

  • STRAIGHT LINE

    FIITJEE|Exercise NUMERICAL BASED|4 Videos
  • TIPS

    FIITJEE|Exercise NUERICAL DECIMAL BASED QUATIONS|20 Videos

Similar Questions

Explore conceptually related problems

Can we add 9 odd numbers to get 20?

How do we see objects?

We can see object due to

Four identical oranges and six distinct apples (each a different variety) are distributed randomly into five distinct boxes. The probability that each box gets a total of two objects is .

We can see a non-luminous object when light:

The probability that a radar will detect an object in one cycle is p.The probability that the object will be detected in n cycles is

An ordinary dice is rolled for a certain number of times. If the probability of getting an odd number 2 times is equal to the probability of getting an even number 3 times, then the probability of getting an odd number for odd number of times is :

If a group of n distinct objects,the number of arrangements of 4 object is 12 xx the number of arrangements of 2 objects,then the number of objects is (a) 10 (b) 8(c)6(d) none of these

FIITJEE-TEST PAPERS-MATHEMATICS
  1. If 4- horses participate in race. The number of ways in which they can...

    Text Solution

    |

  2. Consider an ellipse x^2/25+y^2/16=1. A circle passes through a focus a...

    Text Solution

    |

  3. Consider 18- objects (distinct) then the probability that we can take ...

    Text Solution

    |

  4. If f(x) is a polynomial such that (alpha+1)f(alpha)-alpha=0AA alpha ep...

    Text Solution

    |

  5. If A is 5xx4 matrix and B is 4xx5 matrx, then 2\AB-I(5)|+|BA-I(4)|)+1 ...

    Text Solution

    |

  6. Consider a straight line x/a + y/b =1 , such that it cuts the asymptot...

    Text Solution

    |

  7. If alpha+beta, gamma epsilon R^(+) such that alpha gamma =1/(beta) the...

    Text Solution

    |

  8. If a(1)=a, a(2)=b, a(n+2)=(a(n+1)+a(n))/2, nge 0 then lim(n to oo) a(n...

    Text Solution

    |

  9. Let z1, z2,z3 be complex numbers (not all real) such that |z1|=|z2|...

    Text Solution

    |

  10. A bag contans 2017 red balls and 2017 black balls. We remove two balls...

    Text Solution

    |

  11. If I(m) = int0^pi ln(1-2m cos x + m^2)dx, then I(1)=

    Text Solution

    |

  12. Consider a function f: [0, 1] -> R satisfying int0 ^1 (f(x)(x-f(x))dx ...

    Text Solution

    |

  13. Consider f as a twice differentiable function such that f(x)+f^('')(x)...

    Text Solution

    |

  14. Consider P,Q,R to be vertices with integral coordinates and (|PR|+|RQ|...

    Text Solution

    |

  15. Consider vectors veca,vecb,vecc,vecp=(vecb.vecc)veca-(vecc.veca)vecb,v...

    Text Solution

    |

  16. Consider an equation z^(197)=1(z is a complex number). If alpha, beta ...

    Text Solution

    |

  17. Let ABCD be a quadrilateral with /CBD=2/ADB, /ABD=2/CDB, AB=BC, then

    Text Solution

    |

  18. If f: (0, oo) ->(0, oo) for which there is a positive real number a ...

    Text Solution

    |

  19. A variables plane passes through the point (1,2,3) and meets the coord...

    Text Solution

    |

  20. Consider a,b,c,d,e,f,g,h to be eight distinct alphabets then the numbe...

    Text Solution

    |