Home
Class 12
MATHS
If the letters of the word REGULATIONS b...

If the letters of the word REGULATIONS be arranged at random, find the probability that there will be exactly four letters between the `R` and the`Edot`

A

`6/55`

B

`3/55`

C

`5/11`

D

`6/11`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • JEE MOCK TEST 2

    NTA MOCK TESTS|Exercise MATHEMATICS|25 Videos

  • JEE MOCK TEST 21

    NTA MOCK TESTS|Exercise MATHEMATICS|25 Videos

Similar Questions

Explore conceptually related problems

If the letters of the word "QUESTION" are arranged at random. The probability that there are exactly two letters between Q and U.

If the letters of the word FLOWER are arranged at random,the probability that the order of the consonants is not changed

If the letters of the word "QUESTION" are arranged at random. The probability that there are exactly two letters between Q and U. (A) 13/28 (B) 5/28 (C) 13/14 (D) 51/56

If the letters of the word BANANA are arranged randomly,then find the probability that the word thus formed does not contain the pattern BAN

If letters of the word PENCIL are arranged in random order ,What is the probability that N is ALWAYS next to E ?

The letters of the word EAMCET are permuted at random. The probability that the two E's will never be together, is

If the letters of the word NALGONDA are arranged in arbitrary order,the probability that the letter G,O,D appear in that order is

If the letters of the word PROBABILITY are written down at random in a row,the probability that two B-s are retogether is

If the letters of the word ALGORITHM are arranged at random in row what is the probability that the letters GOR must remain together as a unit?

NTA MOCK TESTS-JEE MOCK TEST 20-MATHEMATICS
  1. If the integral I = int x^(sin x)(cos x cdot 1n x + (sin x)/x)dx, = (f...

    Text Solution

    |

  2. Let P and Q are two points in the xy plane on the curve y = x^(11) - 2...

    Text Solution

    |

  3. If the letters of the word REGULATIONS be arranged at random, find ...

    Text Solution

    |

  4. If the point of intersection of the plane 4x - 5y + 2z - 6 = 0 with th...

    Text Solution

    |

  5. The mean and variance of seven observations are 8 and 16 respectively....

    Text Solution

    |

  6. Let Delta ABC is an isosceles trianlge with AB = AC. If B = (0,a) , C ...

    Text Solution

    |

  7. Let A (0,3) and B(0,12) be two vertices of a Delta ABC where C = (x ,0...

    Text Solution

    |

  8. Consider three statements p : person 'A' passed in mathematics exam ...

    Text Solution

    |

  9. In equation (Z - 1)^(n) = Z^(n) = 1 (AA n in N) has solution, then n c...

    Text Solution

    |

  10. The solution of the differential equation (3x^(2) sin (1/x) + y) dx = ...

    Text Solution

    |

  11. The quadratic equation (1 - sintheta) x^(2)+ 2(1 - sin theta) x - 3 si...

    Text Solution

    |

  12. The minimum value of the expression 3x + 2y (AA x, y >0), where xy^(2)...

    Text Solution

    |

  13. If in the expansion of (1+ x )^(m) (1-x) ^(n) the coefficient of x and...

    Text Solution

    |

  14. Number of words that can be formed with the letters of the word ALGEBR...

    Text Solution

    |

  15. If f(k - x) + f(x) = sin x, then the value of integral I = int(0)^(k) ...

    Text Solution

    |

  16. If the difference between the number of subsets of the sets A and B is...

    Text Solution

    |

  17. For the function f(x) = sin (pi[x]) xx cos^(-1)([x]), choose the corre...

    Text Solution

    |

  18. The value of lim(x to 0) (sinx)/(3) [5/x] is equal to [where [.] rep...

    Text Solution

    |

  19. If y = tan^(-1) (x/(1 + 6x^2)) + tan^(-1) ((2x - 1)/(2x + 1)), (AA x >...

    Text Solution

    |

  20. If |3x - 1| , 3, |x - 3| are the first three terms of an arithmentic p...

    Text Solution

    |