# Multiplication principle - examples

- Math logic

There are 20 children in the group, each two children have a different name. Alena and John are among them. How many ways can we choose 8 children to be among the selected A) was John B) was John and Alena C) at least one was Alena, John D) maximum one w - First class

The shipment contains 40 items. 36 are first grade, 4 are defective. How many ways can select 5 items, so that it is no more than one defective? - Cards

From a set of 32 cards we randomly pull out three cards. What is the probability that it will be seven king and ace? - Salami

How many ways can we choose 5 pcs of salami, if we have 6 types of salami for 10 pieces and one type for 4 pieces? - 7 heroes

5 heroes galloping on 5 horses behind. How many ways can sort them behind? - Vans

In how many ways can 7 shuttle vans line up at the airport? - Flags

How many different flags can be made from colors red, white, blue, black, yellow, green, purple, gray, orange so that each flag consisted of three different colors? - Seating

How many ways can 7 people sit on 3 numbered chairs (eg seat reservation on the train)? - Football league

In the 2nd football league is 19 teams. How many ways can be filled first, second and third place? - Guests

How many ways can 7 guests sit down on 9 seats standing in a row? - Playing cards

How many possible ways are to shuffle 7 playing cards? - Shelf

How many ways are there to arrange 9 books on a shelf? - Medals

In how many ways can be divided gold, silver and bronze medal among 18 contestant? - Coin and die

Flip a coin and then roll a six-sided die. How many possible combinations are there? - Word

What is the probability that a random word composed of chars T, I, O, D, I will be IDIOT? - Numbers

How many different 4 digit natural numbers in which no digit is repeated, can be composed from digits 0,1,2,3? - Weekly service

In the class are 16 pupils. How many opportunities have the teacher if he wants choose two pupils randomly who will weeklies? - Area codes

How many 6 digit area codes are possible if the first number can't be zero? - 2nd class variations

From how many elements you can create 6480 variations of the second class? - Balls

From the urn in which are 18 white balls and 4 red, gradually drag 5-times without replacement. What is the probability that pulls balls are in order: red red white white white?

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