Permutations And Combinations Question 136
Question: To fill 12 vacancies there are 25 candidates of which five are from scheduled caste. If 3 of the vacancies are reserved for scheduled caste candidates while the rest are open to all, then the number of ways in which the selection can be made [RPET 1981]
Options:
A) $ ^{5}C_3{{\times }^{22}}C_9 $
B) $ ^{22}C_9{{-}^{5}}C_3 $
C) $ ^{22}C_3{{+}^{5}}C_3 $
D) None of these
Correct Answer: A
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Answer:
Solution:
BETA
