Yomi was asked to label four seats S, R, P, Q. What is th...
Yomi was asked to label four seats S, R, P, Q. What is the probability he labelled them in alphabetical order?
124
16
213
14
Correct answer is A
The number of arrangements for the 4 letters = 4P4=4!(4−4)!
4!=24
Alphabetical order is just 1 of the arrangements for the letters
= 124
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