Home
Class 11
MATHS
If "^10 Pr=5040 , find the value of r....

If `"^10 P_r=5040 ,` find the value of `r`.

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • LOGARITHM

    CENGAGE ENGLISH|Exercise All Questions|173 Videos
  • PROBABILITY

    CENGAGE ENGLISH|Exercise All Questions|1 Videos

Similar Questions

Explore conceptually related problems

If 10P_r=5040 , find the value of rdot

If "^(20)P_r=6840 , find r.

If "^12P_r= 11880 , find r.

If 9P_5+5^9P_4=^(10)P_r , find the value of rdot

If ^0P_5+5^9P_4=^(10)P_r , find the value of rdot

If "^9P_5+5*^9P_4=^(10)P_r , find the value of r .

If .^(n)P_(r)=720 and .^(n)C_(r)=120 then find the value of r.

If .^(6)P_(r): .^(6)P_(5) = 1:2 , find the value of r.

If ""^(12) P_r =1320, find r.

If p,q are roots of the quadratic equation x^(2)-10rx -11s =0 and r,s are roots of x^(2)-10px -11q=0 then find the value of p+q +r+s.

CENGAGE ENGLISH-PERMUTATIONS AND COMBINATIONS-All Questions
  1. Find the exponent of 3 in 100!

    Text Solution

    |

  2. Number of ways in which two persons A and B select objects from two ...

    Text Solution

    |

  3. If "^10 Pr=5040 , find the value of r.

    Text Solution

    |

  4. Statement 1: Number of ways of selecting 10 objects from 42 objects...

    Text Solution

    |

  5. Find the number of zeros at the end in product 5^6 .6^7 .7^8 .8^9 .9^(...

    Text Solution

    |

  6. Statement 1: Number of ways in which Indian team (11 players) can b...

    Text Solution

    |

  7. In how any different ways can a set A of 3n elements be partitioned in...

    Text Solution

    |

  8. Statement 1: When number of ways of arranging 21 objects of which r...

    Text Solution

    |

  9. lf a ,b , in {1,2,3,4,5,6,}, find the number of ways a and b can be ...

    Text Solution

    |

  10. Statement 1: let E={1,2,3,4}a n dF={a ,b}dot Then the number of on...

    Text Solution

    |

  11. In how many ways can Rs. 16 be divided into 4 persons when none of the...

    Text Solution

    |

  12. Statement 1: Number of ways in which India can win the series of 11...

    Text Solution

    |

  13. Find the number ordered pairs (x,y) if x, y in {0,1,2,3,..,10} and if ...

    Text Solution

    |

  14. Statement 1: If p ,q ,ltr , the number of different selections of p+...

    Text Solution

    |

  15. n different toys have to be distributed among n children. Total number...

    Text Solution

    |

  16. Statement 1: The number of ways in which three distinct numbers can...

    Text Solution

    |

  17. यदि प्रत्येक को कम से कम 2 किताबें मिलती हैं तो 3 छात्रों के बीच 8 अलग...

    Text Solution

    |

  18. Statement 1: Total number of five-digit numbers having all differen...

    Text Solution

    |

  19. Find the number of ways of dividing 52 cards among four players equ...

    Text Solution

    |

  20. Statement 1: Number of ways in which 30 can be partitioned into thr...

    Text Solution

    |