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Data-Structures
October 6, 2023
UGC NET June-2019 CS Paper-2
October 6, 2023
Data-Structures
October 6, 2023
UGC NET June-2019 CS Paper-2
October 6, 2023

UGC NET June-2019 CS Paper-2

Question 1
How many are there to place 8 indistinguishable balls into four distinguishable bins?
A
70
B
165
C
8​ C​ 4
D
8​ P​ 4T
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
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