Permutations And Combinations Question 149

Question: In how many ways can 5 red and 4 white balls be drawn from a bag containing 10 red and 8 white balls [EAMCET 1991; Pb. CET 2000]

Options:

A) $ ^{8}C_5{{\times }^{10}}C_4 $

B) $ ^{10}C_5{{\times }^{8}}C_4 $

C) $ ^{18}C_9 $

D) None of these

Show Answer

Answer:

Correct Answer: B

Solution:

  • Required number $ {{=}^{10}}C_5{{\times }^{8}}C_4 $ .