25 questions
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
Kimberly 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
9C9=
9!
9
1
A box contains 5 color pencils. How many different sets of 3 pencils can be chosen from it?
10
4
6
20
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
9C9=
9!
9
1
You can choose any two toppings in an ice-cream shop. The toppings are Oreo, sprinkle, cereal, and crumble. How many ice-cream with two different toppings could you build?
6
20
15
49