Arrangements (Permutations) (Leaving Cert Mathematics): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What does the term 'arrangement' or 'permutation' refer to?
What does the term 'arrangement' or 'permutation' refer to?
Different ways to order distinct objects
In arrangements, does changing the order of objects create a new arrangement?
In arrangements, does changing the order of objects create a new arrangement?
Yes, order matters in arrangements
How many different arrangements can be made from the letters A, B, and C?
How many different arrangements can be made from the letters A, B, and C?
6
What is the box method used for in arrangements?
What is the box method used for in arrangements?
Counting choices for each position
What does the notation (n factorial) mean?
What does the notation (n factorial) mean?
What is the value of ?
What is the value of ?
120
How many ways can different objects be arranged?
How many ways can different objects be arranged?
How many 4-digit numbers can be formed using digits 1, 2, 3, 4 (each once)?
How many 4-digit numbers can be formed using digits 1, 2, 3, 4 (each once)?
24
When dealing with restrictions in arrangements, what should you do first?
When dealing with restrictions in arrangements, what should you do first?
Fill the restriction positions first
A word has 5 letters. It must start with A. How many ways to arrange the remaining 4 letters?
A word has 5 letters. It must start with A. How many ways to arrange the remaining 4 letters?
ways
When letters must always stay together, how should they be treated?
When letters must always stay together, how should they be treated?
As one single unit
A word has 5 letters. If two specific letters must stay together, how many units to arrange?
A word has 5 letters. If two specific letters must stay together, how many units to arrange?
4 units