# High school + multiplication principle - examples

- How many 2

How many three lettered words can be formed from letters A B C D E G H if repeats are: a) not allowed b) allowed - No. of divisors

How many different divisors has number ?? - 7 heroes

9 heroes galloping on 9 horses behind. How many ways can sort them behind? - Flags

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

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

How many ways can 9 people sit on 3 numbered chairs (eg seat reservation on the train)? - Guests

How many ways can 5 guests sit down on 6 seats standing in a row? - 2nd class variations

From how many elements you can create 6972 variations of the second class? - Word

What is the probability that a random word composed of chars T, H, A, M will be MATH? - Shelf

How many ways are there to arrange 6 books on a shelf? - Phone numbers

How many 9-digit telephone numbers can be compiled from the digits 0,1,2,..,8,9 that no digit is repeated? - Football league

In the 5th football league is 10 teams. How many ways can be filled first, second and third place? - Playing cards

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

At the table sit 8 people, 4 on one side and 4 on the other side. Among them are 3 pairs. Every pair wants to sit opposite each other. How many ways can they sit? - Morse alphabet

Calculate how many words of Morse code to create compiling commas and dots in the words of one to four characters. - Coin and die

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

Combination lock will open when the right choice of 3 numbers (from 1 to 25 inclusive) is selected. A. How many different lock combinations are possible? B. Is he combination lock named appropriately? - Balls

From the urn in which are 7 white balls and 17 red, gradually drag 3-times without replacement. What is the probability that pulls balls are in order: red red red? - Events

Event N has probability of 0.24. What is the probability that the event N occurs in 8, 5, 4 try. - Pairs

From the five girls and four boys teachers have to choose one pair of boy and girl. A) How many such pairs of (M + F)? B) How many pairs where only boys (M + M)? C) How many are all possible pairs?

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