How many ways can the numbers 7, 8 and 9 be arranged using each number once? * 5 6 8 9 12 How many different 4 letter arrangements can we make of the letters in the word *cats', using each letter once only. 8 12 24 36 15 How many committees of two people can be chosen from this group of four people: Jane, Che, Vic, Harry? 4 8 16 6 12

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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How many ways can the numbers 7, 8 and 9 be arranged using each number once? *
5
6
8
9
12
How many different 4 letter arrangements can we make of the letters in the word
'cats', using each letter once only.
8
12
24
36
15
How many committees of two people can be chosen from this group of four people:
Jane, Che, Vic, Harry?
4
8
16
6
12
Transcribed Image Text:How many ways can the numbers 7, 8 and 9 be arranged using each number once? * 5 6 8 9 12 How many different 4 letter arrangements can we make of the letters in the word 'cats', using each letter once only. 8 12 24 36 15 How many committees of two people can be chosen from this group of four people: Jane, Che, Vic, Harry? 4 8 16 6 12
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