Download the app

Questions  

If  nC3+nC4>n+1C3  then

Remember concepts with our Masterclasses.

80k Users
60 mins Expert Faculty Ask Questions
a
n>6
b
n>7
c
n<6
d
None of these

Ready to Test Your Skills?

Check Your Performance Today with our Free Mock Tests used by Toppers!

detailed solution

Correct option is A

nC3+nC4>n+1C3⇒ n+1C4>n+1C3  nCr+nCr+1=n+1Cr+1⇒ n+1C4 n+1C3>1⇒n−24>1⇒n>6


Similar Questions

 nCr+2nCr1+nCr2 is equal to


whats app icon
phone icon