Permutations And Combinations Question 6

Question: In how many ways a garland can be made from exactly 10 flowers [MP PET 1984]

Options:

A) $ 10\ ! $

B) $ 9\ ! $

C) $ 2(9\ !) $

D) $ \frac{9\ !}{2} $

Show Answer

Answer:

Correct Answer: D

Solution:

  • A garland can be made from 10 flowers in $ \frac{1}{2}(9!) $ ways. { $ \because $ n flowers’ garland can be made in $ \frac{1}{2}(n-1)! $ ways}