Combination

Six friends are going to play a ball game. Each team has 3 players. How many different team combinations are possible?

• 120

• 6

• 18

• 20

Tags

CCSS.HSS.CP.B.9

Kanishka has seven colors of lanyards. She uses three different colors to make a key chain. How many different combinations can she choose?

• 210

• 5.040

• 6

• 35

In how many ways can a group of 4 boys be selected from 10 if the oldest boy is included in each group?

• 84

• 81

• 504

• 6

How many basketball games are played in a 10-team league if each team plays all other teams TWICE?

• 90

• 45

• 180

• 100

Which of the following is an example of combination?

• Form a passcode with 4 digits

• Students line up in a queue to assembly

• Choose 4 students in a class committee

• Choose the chairperson, secretary and treasurer in a club

Tags

CCSS.HSS.CP.B.9

How many combinations of 4 letters are possible from the letters A B C D E?

• 4

• 5

• 6

• 69

The word "selection" usually refers to

• Combination
• Permutation
• Probability
• Counting

Tags

CCSS.HSS.CP.B.9

Permutation is the situation when

• A different result occurs when positions of objects are switched
• The same result occurs when positions of objects are switched
• counting principles are applied
• I don't know

Tags

CCSS.HSS.CP.B.9

Combination is the situation when

• A different result occurs when positions of objects are switched
• The same result occurs when positions of objects are switched
• counting principles are applied
• I don't know

Pratham, Lakshay and Timmy are on Super Quiz team. Two questions remain. One team member is randomly picked to answer the first question and a different member is picked to answer the second question. Find the number of possible outcomes.

• 6

• 8

• 5

• 9