Home
Class 12
MATHS
A bag contains 40 tickets numbered from ...

A bag contains 40 tickets numbered from 1 to 40. Two tickets are drawn from the bag without replacement. The probability that the `2^("nd")` ticket is a perfect square given that the `1^("st")` ticket was a perfect square is

A

`(1)/(6)`

B

`(5)/(39)`

C

`(3)/(20)`

D

`(1)/(8)`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • NTA JEE MOCK TEST 44

    NTA MOCK TESTS|Exercise MATHEMATICS|25 Videos

  • NTA JEE MOCK TEST 46

    NTA MOCK TESTS|Exercise MATHEMATICS|25 Videos

Similar Questions

Explore conceptually related problems

A box contains tickets numbered 1 to 20.3 tickets are drawn from the box with replacement. The probability that the largest number on the tickets is 7, is

A box contains tickets numbered 1 to N. n tickets are drawn from the box with replacement. The probability that the largest number on the tickets is k, is

A bag contains 10 tickets numbered 1 to 10. Tickets are drawn one by one without replacement.Find the probability that the ticket number 7 is drawn at 4^(th) draw.

A bag contains 20 tickets,numbered from 1 to 20.Two tickets are drawn without replacement.What is the probability that the first ticket has an even number and the second an odd number.

A box contains 10 tickets numbered from 1 to 10 . Two tickets are drawn one by one without replacement. The probability that the "difference between the first drawn ticket number and the second is not less than 4" is

A bag contains tickets numbered from 10 to 50 . One ticket is drawn at random . Find the probability that the number on the card is (i) prime (ii) a perfect square .

A bag contains 20 tickets numbered 1 to 20. Two tickets are drawn at random. Find the probability that both the numbers on the ticket are prime.

A box contains 10 tickets numbered from 1 to 10. Two tickets are drawn one by one without replacement.The probability that the difference between the first drawn ticket number and the second is not less than 4 is.

A bag contains 25 tickets,numbered from 1 to 25. A ticket is drawn and then another ticket is drawn without replacement.Find the probability that both tickets will show even numbers.

A bag contains 19 tickets,numbered from 1 to 19. A ticket is drawn and then another ticket is drawn without replacement.Find the probability that both tickets will show even numbers.

NTA MOCK TESTS-NTA JEE MOCK TEST 45-MATHEMATICS
  1. The area (in sq. units) enclosed between the curve x=(1-t^(2))/(1+t^(2...

    Text Solution

    |

  2. The solution of the differential equation y(2x^(4)+y)(dy)/(dx) = (1-...

    Text Solution

    |

  3. R rarr R be defined by f(x)=((e^(2x)-e^(-2x)))/2. is f(x) invertible. ...

    Text Solution

    |

  4. The value of lim(xrarr1)(xtan{x})/(x-1) is equal to (where {x} denotes...

    Text Solution

    |

  5. If the lines (x-1)/(1)=(y-3)/(1)=(z-2)/(lambda) and (x-1)/(lambda)=(y-...

    Text Solution

    |

  6. Let A and B are square matrices of order 2 such that A+adj(B^(T))=[(3,...

    Text Solution

    |

  7. A bag contains 40 tickets numbered from 1 to 40. Two tickets are drawn...

    Text Solution

    |

  8. Let A and B be two square matrices of order 3 such that |A|=3 and |B|=...

    Text Solution

    |

  9. Point P(-1, 7) lies on the line 4x+3y=17. Then the coordinates of the ...

    Text Solution

    |

  10. From the point A(0, 3) on the circle x^(2)+9x+(y-3)^(2)=0, a chord AB ...

    Text Solution

    |

  11. OA is the chord of the parabola y^(2)=4x and perpendicular to OA which...

    Text Solution

    |

  12. If A(2+3i) and B(3+4i) are two vertices of a square ABCD (taken in ant...

    Text Solution

    |

  13. Two poles of height 10 meters and 20 meters stand at the centres of tw...

    Text Solution

    |

  14. If in a class there are 200 students in which 120 take Mathematics, 90...

    Text Solution

    |

  15. If the variance of first n even natural numbers is 133, then the value...

    Text Solution

    |

  16. The arithmetic mean of two positive numbers a and b exceeds their geo...

    Text Solution

    |

  17. If P and Q are points with eccentric angles theta and (theta+(pi)/(6))...

    Text Solution

    |

  18. If vecx and vecy are two non zero, non - collinear vectors satisfying ...

    Text Solution

    |

  19. int (cos x)^4/( (sin x)^3 ( (sin x)^5 + (cos x)^5)^(3/5)) dx

    Text Solution

    |

  20. If f(x)={{:((e^((1+(1)/(x)))-a)/(e^((1)/(x))+1),":",xne0),(b,":",x=0):...

    Text Solution

    |