Combination and Circular Permutation

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

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

• Permutation
• Combination
• Neither

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

• Permutation
• Combination
• Neither

Picking a team of three people out of a group of 10.

• Permutation
• Combination
• Neither

• 715

• 710

• 716

• none of these

The number of ways in which a person can chose one or more of the four electrical appliances : T.V, Refrigerator, Washing Machine and a cooler is ______ .

• 15

• 25

• 24

• none of these

Out of 7 gents and 4 ladies a committee of 5 is to be formed. The number of committee such that each committee includes at least one lady is ______ .

• 400

• 440

• 441

• none of these

A Mathmatics test contains five different questions labeled A, B, C, D, and E. You are supposed to choose 2 to answer. How many different ways are there to do this?

• 5

• 10

• 15