Home
Class 11
MATHS
If ((79),(r)) is maximum then r = .........

If `((79),(r))` is maximum then r = .......... .

Text Solution

Verified by Experts

The correct Answer is:
40
Promotional Banner

Topper's Solved these Questions

  • OBJECTIVE SECTION AS PER NEW PAPER SCHEME

    KUMAR PRAKASHAN|Exercise Permutations and Combinations (True /False Statement)|20 Videos

  • OBJECTIVE SECTION AS PER NEW PAPER SCHEME

    KUMAR PRAKASHAN|Exercise Binomial Theorem (Fill in the blanks )|16 Videos

  • OBJECTIVE SECTION AS PER NEW PAPER SCHEME

    KUMAR PRAKASHAN|Exercise Linear in Equalities (True/False Statement)|14 Videos

  • MATHEMATICAL REASONING

    KUMAR PRAKASHAN|Exercise QUESTION OF MODULE (Knowledge Test:)|2 Videos

  • PERMUTATIONS AND COMBINATIONS

    KUMAR PRAKASHAN|Exercise PRACTICE WORK |40 Videos

Similar Questions

Explore conceptually related problems

if ((77),( r)) is maximum then r = …… .

If ((20) ,(r))=((20),(r+2)) then ((r),(2))=........ .

If ((n),(r)) = ((n),(r+2)), then r = …… ,

If f : R rarr R , f(x) = [x] , g : R rarr R , g(x) = sinx , h : R rarr R , h(x) = 2x , then ho(gof) = ..........

((n),(r)) = (""^(n)P_(r))/(K), then K = ......

lim_(ntooo)r^(n)=0 ,then r=........

((44),(r-2)) = ((44),(r+2)), then r = ……

sum_(r=1)^n(2r+1)=...... .

On observing light from three different stars P, Q and R, it was found that intensity of violet color is maximum in the spectrum of P, the intensity of green colour is maximum in the spectrum of R and the intensity of red colour is maximum in the spectrum of Q. If T_(P),T_(Q) and T_(R) are the respective absolute temperatures of P,Q and R, then it can be concluded from the above observation that :

KUMAR PRAKASHAN-OBJECTIVE SECTION AS PER NEW PAPER SCHEME -Permutations and Combinations (Fill in the blanks )
  1. If (n +1 ) ! = 12 (n-1) ! then n = ........... n in N

    Text Solution

    |

  2. If nP4 : nP5 = 1 : 2 then n = ............ .

    Text Solution

    |

  3. If the repetation is not allowed then we get .......... total numbers ...

    Text Solution

    |

  4. .........are the 9 digit numbers formed from the number with all digit...

    Text Solution

    |

  5. ............are the total numbers words formed by the letters of the w...

    Text Solution

    |

  6. In an examination, there are three multiple choice questions and each ...

    Text Solution

    |

  7. n((n-1)P((r-1)))=................ .

    Text Solution

    |

  8. ...........are the total numbers of ways to make a password of 5 digit...

    Text Solution

    |

  9. ...........are the numbers of 7 digit formed by digits 3,4,5,4,5,5 and...

    Text Solution

    |

  10. ""(n)Pr+((n),(r))=.........

    Text Solution

    |

  11. If ((n),(12))=((n),(8)) then n = ........ .

    Text Solution

    |

  12. If ""^(n)C(9)=""^(n)C(8), find ""^(n)C(17).

    Text Solution

    |

  13. If ((20) ,(r))=((20),(r+2)) then ((r),(2))=........ .

    Text Solution

    |

  14. Number of diagonal of the polygon having 10 sides = ............

    Text Solution

    |

  15. The numbers of rectangle formed by m horizontal and n vertical line ar...

    Text Solution

    |

  16. If ((79),(r)) is maximum then r = .......... .

    Text Solution

    |

  17. There are 21 points on circle . The number of chord by joining there p...

    Text Solution

    |

  18. If ((2n),(3)) = 11 ((n),(3)) then n = .....

    Text Solution

    |

  19. If ((2n),(3))div((n),(2))=12 then n = .......

    Text Solution

    |

  20. A person has one currency not each of Rs 500, Rs 100, Rs 50 , Rs 20 a...

    Text Solution

    |