# Numbers

How many different 7 digit natural numbers in which no digit is repeated, can be composed from digits 0,1,2,3,4,5,6?

**Result****Leave us a comment of example and its solution (i.e. if it is still somewhat unclear...):**

**Showing 0 comments:**

**Be the first to comment!**

#### To solve this example are needed these knowledge from mathematics:

## Next similar examples:

- No. of divisors

How many different divisors has number ?? - Phone numbers

How many 7-digit telephone numbers can be compiled from the digits 0,1,2,..,8,9 that no digit is repeated? - Shelf

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

How many rectangles with area 3002 cm^{2}whose sides is natural numbers are? - 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? - Sweater

Dana confuses sweater and wool has a choice of seven colors. In how many ways she can choose from three colors to the sleeves? - Seating

How many ways can 10 people sit on 0 numbered chairs (eg seat reservation on the train)? - 2nd class variations

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

In how many ways can 5 shuttle vans line up at the airport? - 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? - 7 heroes

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

How many ways can 5 guests sit down on 6 seats standing in a row? - Football league

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

How many possible ways are to shuffle 6 playing cards? - Peaches

There are 20 peaches in the pocket. 3 peaches are rotten. What is the probability that one of the randomly picked two peaches will be just one rotten?