The number of ways in which ten candidates A1, A2, .....A10 can be ranked such that A1 is always above A10 is

Question

The number of ways in which ten candidates A1, A2, .....A10 can be ranked such that A1 is always above A10 is
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Solution 1

This problem can be solved using the concept of permutations in combinatorics.

Step 1: Consider A1 and A10 as a single entity. Now, we have 9 entities in total (8 individual candidates and 1 entity consisting of A1 and A10).

Step 2: These 9 entities can be arranged in 9! (factorial) ways.

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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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