QS- Five friends meet at the local cafe, where each of them orders one soft drink. In how many ways can a waiter serve the drinks, one to each customer, if two of them receive drinks they ordered, while the other three receiving drinks they do not really order? a) 10 b) 30 c) 120 d) 60 20
QS- Five friends meet at the local cafe, where each of them orders one soft drink. In how many ways can a waiter serve the drinks, one to each customer, if two of them receive drinks they ordered, while the other three receiving drinks they do not really order? a) 10 b) 30 c) 120 d) 60 20
Chapter8: Sequences, Series,and Probability
Section8.6: Counting Principles
Problem 8ECP: In how many different ways can two letters be chosen from the letters A, B, C, D, E, F, and G? (The...
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