Permutations And Combinations Question 141

Question: The number of ways in which we can select three numbers from 1 to 30 so as to exclude every selection of all even numbers is

Options:

A) 4060

B) 3605

C) 455

D) None of these

Show Answer

Answer:

Correct Answer: B

Solution:

  • Required number of ways $ {{=}^{30}}C_3{{-}^{15}}C_3=3605 $ .