Permutation and Combination

What do you call the product of a positive integer n and all the positive integers less than n?

• powers of n

• n factorial

• n-factors

• multiples of n

What term refers to ways of arranging things or set of objects, such that their order matters?

• Combination

• Differentiation

• Integration

• Permutation

What term refers to several ways of selecting items from a large set of objects, such that their order does not matter?

• Combination

• Differentiation

• Integration

• Permutation

Which of the following experiments will determine that order is IMPORTANT?

• Matching blouse and skirts

• Forming a committee from the members of a club

• Buying 3 out 7 designs of face mask

• Setting a 4-digit code in a vault

Which of the following experiments will determine that order is NOT important?

• Selecting the top 3 winners in Math Quiz Bowl

• Setting a 4-digit code in a vault

• Buying 3 out 7 designs of face mask

• None of the above

Determine whether each situation involves a permutation (order is important) and or a combination (order is not important).

Choosing 3 toppings for your sundae out of a list of 15.

• Permutation

• Combination

Determine whether each situation involves a permutation (order is important) and or a combination (order is not important).

Choosing 3 winners out of the 10 semifinalists in a certain beauty pageant for the titles Grand Winner, First Runner-up, and Second Runner-up.

• Permutation

• Combination

Determine whether each situation involves a permutation (order is important) and or a combination (order is not important).

Selecting 5 out of 7 available fruits in making fruit salad.

• Permutation

• Combination

Determine whether each situation involves a permutation (order is important) and or a combination (order is not important).

In how many ways can 10 people be seated in a circular position?

• Permutation

• Combination

Determine whether each situation involves a permutation (order is important) and or a combination (order is not important).

How many different committees of 5 people can be chosen from 10 people

• Permutation

• Combination