Three boys go to the same school. Every boy needs two cubes of the same color to play a game, but the cubes that different boys have are not necessarily differently colored. A teacher has red, blue and green cubes in one drawer. If the teacher draws the cubes without looking, what is the least number of cubes that need to be pulled out to be sure that every boy can get two cubes of the same color

Q: There are 11 teams in a league. How many games are played if every team plays each other twice?

A: Suppose there are n teams. Also suppose that all the teams play every other team twice. Then the…

Q: Rita has a small bookshelf that can hold 6 books if she has 11 different books to choose from, how…

A: Rita has a small bookshelf that can hold 6 booksshe has 11 different books to choose from,no. of…

Q: the diaz family is selecting a furniture set. a furniture set has a bed, a desk and dresser. there…

A: Given The different choice of beds = 2 The different choice of dresser = 2 The different choice of…

Q: The Diaz family is selecting a furniture set. A furniture set has a bed, a desk and a dresser. There…

A: The objective of this question is to find out the total number of different furniture sets the Diaz…

Q: A group of friends have met at the park to socialize and play a game. Juan and Mary have been chosen…

A: There is group of 21 friends. Out of which Juan and Mary have been chosen as team captains.  Hence,…

Q: The math club has seven members and will choose a team of three to send to a competition. The…

A: Given that the math club has 7 members and will choose a team of 3 to send to a competition.  The…

Q: A retail store is placing 7 mannequins on display side by side. Two of the male mannequins are…

A: There is total 7 mannequins.

Q: At a race track you have the opportunity to buy a ticket that requires you to pick the first and…

A:

Q: You and 10 friends all have tickets for seats in the same row at a concert. How many different ways…

A: Please see the explanation below

Q: Ladonna has 7 books to place on a shelf. How many possible arrangements of all 7 books are there?

A: Given,Total no.of books=7

Q: There are five nickels and four dimes in your pocket. Three of the nickels and two of the dimes are…

A: Five nickels and four dimes .in which 3 nickels and 2 dimes are canadian.and 2 nickels and 2 dimes…

Q: There are 12 teams in a league. How many games are played if every team plays each other twice?

A:

Q: Jim  is designing stripes with five parallel colors on a piece of cloth. How many stripes can jim…

A: Given information: Jim  is designing stripes with five parallel colours on a piece of cloth. Number…

Counting Principles

In statistics, the counting principle can be said to be the concept in which the quantity of an item is determined. There can be a single item, or a group of items, or items that are related to each other. In every possible set of items, the quantity of the possible item groups or their sorting measures can be determined with counting principles.