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RedeemSearch found 3 matches
- by sukhpreet
Sun Nov 23, 2008 5:08 pm- Forum: Problem Solving
- Topic: Permutation - Combination (Counting) Question
- Replies: 6
- Views: 2181
How should I solve this question to reach the correct answer? I came up with 4P3. 3 desks to choose from 4 (one being empty)
- by sukhpreet
Sun Nov 23, 2008 1:38 pm- Forum: Problem Solving
- Topic: Permutation - Combination (Counting) Question
- Replies: 6
- Views: 2181
Permutation - Combination (Counting) Question
Q. How many ways can 2 students be seated in a row of 4 desks so there is always at least one empty desk between the students? a) 2 b) 3 c) 4 d) 6 e) 12 correct ans: 6 Couldn't figure out how to tackle this question. Infact, the bigger problem has been that I usually make mistake with Probability an...
- by sukhpreet
Sun Nov 23, 2008 11:18 am- Forum: Problem Solving
- Topic: Permutation - Combination (Counting) Question
- Replies: 6
- Views: 2181