a) Suppose in a university, each subject offered to students has a subject code consisting of four letters followed by four digits. i. How many different subject codes are possible? ii. How many subject codes could begin with CS and end in 3 or 2? 111. How many subject codes are possible in which all the letters and the digits are distinct?
a) Suppose in a university, each subject offered to students has a subject code consisting of four letters followed by four digits. i. How many different subject codes are possible? ii. How many subject codes could begin with CS and end in 3 or 2? 111. How many subject codes are possible in which all the letters and the digits are distinct?
Chapter9: Sequences, Probability And Counting Theory
Section9.5: Counting Principles
Problem 36SE: The number of 5-element subsets from a set containing n elements is equal to the number of 6-element...
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Transcribed Image Text:Suppose in a university, each subject offered to students has a subject code consisting of four
a)
letters followed by four digits.
i.
How many different subject codes are possible?
ii.
How many subject codes could begin with CS and end in 3 or 2?
:::
111.
How many subject codes are possible in which all the letters and the digits are distinct?
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