Home
Class 12
MATHS
If a man and his wife enter a bus , in w...

If a man and his wife enter a bus , in which five seats are vacant , then the number of different ways in which they can be seated is

A

2

B

5

C

20

D

40

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • MODEL TEST PAPER - 8

    KCET PREVIOUS YEAR PAPERS|Exercise MATHEMATICS|60 Videos
  • MODEL TEST PAPER 10

    KCET PREVIOUS YEAR PAPERS|Exercise MATHEMATICS|60 Videos

Similar Questions

Explore conceptually related problems

What are the different ways in which water gets contaminated ?

If five seats are vacant in a train, the number of ways three passengers can sit is:

There are 10 true-false questions in an examination. The number of ways in which these questions can be answered is

The number of ways in which 6 boys and 6 girls can sit alternatively is :

There are n books having p copies of each . The number of ways in which a selection can be made from them is :

There are 'n' seats round a table numbered 1,2, 3,….,n . The number of ways in which m(le n) persons can take seat is

Five distinct letters are to be transmitted through a communication channel. A total number of 15 blanks is to be inserted between the two letters with at least three between every two. The number of ways in which this can be done is :

The total number of ways in which 2n persons can be divided into n couples is

n different toys have to be distributed among n children. Find the number of ways in which these toys can be distributed so that exactly one child gets no toy.

In a railway compartment there are 6 seats. The number of ways in which 6 passengers can occupy those seats= …

KCET PREVIOUS YEAR PAPERS-MODEL TEST PAPER 02-MATHEMATICS
  1. The roots of the equation (q- r) x^(2) + (r - p) x + (p - q)= 0 are

    Text Solution

    |

  2. If the equation (x + m)^(2) - (x + n)^(2) = ( m - n)^(2) where m , n a...

    Text Solution

    |

  3. If a man and his wife enter a bus , in which five seats are vacant , t...

    Text Solution

    |

  4. The expansion of (1 + 2x)^(-1//2) , by binomial theorem, is valid when

    Text Solution

    |

  5. If (1 +x + x^(2))^(n) = a(0) + a(1) x + a(2) x^(2) + … + a(2n) x^(2n) ...

    Text Solution

    |

  6. If log (4) 7 = x , then log(7) 16 is equal to

    Text Solution

    |

  7. The matrix [{:(2 , 6 , 1) , (1 , 9 , 3):}] is of order

    Text Solution

    |

  8. If A = [{:( 1 , 2 ) , (5 , 6) :}] , B = [{:( 3 , 5 ) , (x , -4) :}] an...

    Text Solution

    |

  9. If alpha , beta are the roots of the equation 1 + x + x^(2) = 0 , then...

    Text Solution

    |

  10. If the determinant |{:(x , 1 , 3) , ( 0 , 0 , 1) , (1 , x , 4):}|=0 ,...

    Text Solution

    |

  11. The value of the determinant |{:(1 , x , x+ z) , (1 , y , z + x) , (...

    Text Solution

    |

  12. If the matrix B be the adjoint of the square matrix A , l be the ident...

    Text Solution

    |

  13. If the system of equation : x + y + z = 0 , 2 x + 3y + 4z = 0 , kx + ...

    Text Solution

    |

  14. The value of sin 10^(@) + sin 20^(@) + sin 30^(@) + …. + sin 360^(@) i...

    Text Solution

    |

  15. If A + B+ C = 3 pi//2 , then the value of cos 2 A + cos 2 B + cos2 C...

    Text Solution

    |

  16. If (sin (x + y))/(sin (x -y)) = (a + b)/(a - b) , then the value of (...

    Text Solution

    |

  17. The value of (sin^(2) 3 A)/(sin^(2) A) - (cos^(2) 3 A)/(cos^(2) A) is ...

    Text Solution

    |

  18. If sin^(-1) ((2a)/(1 +a^(2))) + sin^(-1) ((2b)/(1 + b^(2))) = 2tan^(-1...

    Text Solution

    |

  19. If in a DeltaABC a + c = 2b , then the value of cot""(A)/(2) * cot""(...

    Text Solution

    |

  20. A flag- staff 6 metre high is placed on the top of a tower . The flag-...

    Text Solution

    |