Combination

Which of the following determines the number of possible groups of a collection of items where the order of the objects does not matter?

• Fundamental Counting Principle

• Permutation

• Probability

• Combination

Answer explanation

Combination is a selection of r objects from n number of objects in a set where the order of objects does not matter.

Which of the following requires combination?

• Entering the PIN of your ATM card

• Arranging three people to pose for a picture

• Forming 3-digit numbers from the digits 1,2,3,4,5,6, and 7

• Choosing 3 of your friends to attend your birthday party

Which of the following situations involves combination?

• Cellphone number

• A committee of student leaders for a summit

• Bank account numbers

• Combination lock of a vault

Which of the following does not require a combination?

• Selecting the top 3 winners in a singing contest

• Forming a committee of councilors

• Choosing two literature books to buy in National Bookstore

• Assigning rooms to different contest events

Electing an auditor and a treasurer from 8 candidates is an example of _______.

• Permutation

• Probability

• Combination

• Statistics

Selecting the first five players in basketball by position.

• Permutation

• Combination

Picking 5 finalist in a pageant.

• Permutation

• Combination

Ordering food combination in Mang Inasal.

• Combination

• Permutation

Making your fruit salad combination.

• Permutation

• Combination

Arranging your clothes inside the closet.

• Permutation

• Combination