Combinations: check 1
Difficulty: ★★☆Info
Maths4U Original · Short practice
There are 5 distinct labelled tokens, including A and B. Consider each selection or arrangement separately.
How many unordered groups of three tokens can be chosen?
Enter one number or fraction. Use at least six decimal places when needed; a distribution calculator may be used for probabilities.
Combinations: review variant 1
Difficulty: ★★☆Info
Maths4U Original · Short practice
There are 6 distinct labelled tokens, including A and B. Consider each selection or arrangement separately.
How many unordered groups of three tokens can be chosen?
Enter one number or fraction. Use at least six decimal places when needed; a distribution calculator may be used for probabilities.
Combinations: check 2
Difficulty: ★★☆Info
Maths4U Original · Short practice
There are 6 distinct labelled tokens, including A and B. Consider each selection or arrangement separately.
How many ordered rows of three distinct tokens can be formed?
Enter one number or fraction. Use at least six decimal places when needed; a distribution calculator may be used for probabilities.
Combinations: review variant 2
Difficulty: ★★☆Info
Maths4U Original · Short practice
There are 7 distinct labelled tokens, including A and B. Consider each selection or arrangement separately.
How many ordered rows of three distinct tokens can be formed?
Enter one number or fraction. Use at least six decimal places when needed; a distribution calculator may be used for probabilities.
Combinations: check 3
Difficulty: ★★☆Info
Maths4U Original · Short practice
There are 7 distinct labelled tokens, including A and B. Consider each selection or arrangement separately.
How many rows using all tokens have A and B adjacent?
Enter one number or fraction. Use at least six decimal places when needed; a distribution calculator may be used for probabilities.
Combinations: review variant 3
Difficulty: ★★☆Info
Maths4U Original · Short practice
There are 8 distinct labelled tokens, including A and B. Consider each selection or arrangement separately.
How many rows using all tokens have A and B adjacent?
Enter one number or fraction. Use at least six decimal places when needed; a distribution calculator may be used for probabilities.
Combinations: check 4
Difficulty: ★★☆Info
Maths4U Original · Short practice
There are 8 distinct labelled tokens, including A and B. Consider each selection or arrangement separately.
In a separate multiset containing two identical X symbols and 6 identical Y symbols, how many different rows use every symbol?
Enter one number or fraction. Use at least six decimal places when needed; a distribution calculator may be used for probabilities.
Combinations: review variant 4
Difficulty: ★★☆Info
Maths4U Original · Short practice
There are 9 distinct labelled tokens, including A and B. Consider each selection or arrangement separately.
In a separate multiset containing two identical X symbols and 7 identical Y symbols, how many different rows use every symbol?
Enter one number or fraction. Use at least six decimal places when needed; a distribution calculator may be used for probabilities.