Home
Class 11
MATHS
If (n !)/(3 ! (n-4)!) and (n ! )/(5 !(n-...

If `(n !)/(3 ! (n-4)!)` and `(n ! )/(5 !(n-5) !` are in the ratio `5:3` find the value of n.

Text Solution

Verified by Experts

The correct Answer is:
`n=16`
Promotional Banner

Topper's Solved these Questions

  • SAMPLE PAPER - 3

    FULL MARKS|Exercise PART - IV|7 Videos
  • SAMPLE PAPER - 3

    FULL MARKS|Exercise PART-II|10 Videos
  • SAMPLE PAPER - 2

    FULL MARKS|Exercise PART - III|17 Videos
  • SAMPLE PAPER -17

    FULL MARKS|Exercise PART -IV|7 Videos

Similar Questions

Explore conceptually related problems

If n! +(n-1) ! =3, then find the value of n.

If ""^(n)P_(5)=20 ^(n)P_(3)"" , find the value of n.

If ""^(n+1)C_8 : ""^(n-3)P_4 = 57:16 , find the value of n.

If "^(2n+1)P_(n-1):^(2n-1)P_n=3:5, then find the value of ndot

If ""^(n)C_(4),^(n)C_(5)" and "^(n)C_(6) are in A.P. then find n.

If .^(n+5) P_(n +1) = ((11(n-1))/2) .^(n +3) P_(n) then the value of n are

Evaluate (n!)/((n-r)!) , when n = 9, r = 5

If a_(1)=1 and a_(n)+1=(4+3a_(n))/(3+2a_(n)),nge1"and if" lim_(ntooo) a_(n)=a,"then find the value of a."