In a cycle race there are 5 persons named as J K L M N participated for 5 positions How many number ...........

Quantitative Aptitiude (CLAT) Permutation & Combination

In a cycle race there are 5 persons named as J,K,L,M,N participated for 5 positions. How many number of ways can M finishes always before N?

Total number of ways in which 5 persons can finish is 5! = 120 (there are no ties)
Now, in half of these ways M can finish before N

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