Ten participants are participating in a competition. In how many ways can the first three prizes be won?Choices:- 920 620 720 850
Question
Solution 1
This is a permutation problem. The formula for permutations is P(n, r) = n! / (n-r)!. Here, n is the total number of participants (10) and r is the number of prizes (3).
Step 1: Calculate n! (10!) 10! = 10 * 9 * 8 * 7 * 6 * 5 * 4 * 3 * 2 * 1 = 3,628,800
Step 2: Calculate (n-r)! (10-3)! 7! = 7 * 6 Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study prob
Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solv
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