The number of ways of choosing 10 objects out of 31 objects

Question:

The number of ways of choosing 10 objects out of 31 objects of which 10 are identical and the remaining 21 are distinct, is :

  1. $2^{20}$

  2. $2^{20}-1$

  3. $2^{20}+1$

  4. $2^{21}$


Correct Option: 1

Solution:

Leave a comment

Close
faculty

Click here to get exam-ready with eSaral

For making your preparation journey smoother of JEE, NEET and Class 8 to 10, grab our app now.

Download Now