UGC NET June-2019 CS Paper-2

Question 1

How many are there to place 8 indistinguishable balls into four distinguishable bins?

Question 1 Explanation:

This is precisely the problem we saw to solve the r-combination with repetition:
= C(8+4-1,8)
= ¹¹ C ₈
= 11! / (8!(11-8)!)
= 165

Correct Answer: B

Question 1 Explanation:

This is precisely the problem we saw to solve the r-combination with repetition:
= C(8+4-1,8)
= ¹¹ C ₈
= 11! / (8!(11-8)!)
= 165