How many different licence plates can country have, given that they use 3 letters followed by 3 digits?
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:
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?
- Bits, bytes
Calculate how many different numbers can be encoded in 16-bit binary word?
- Football league
In the 5th football league is 10 teams. How many ways can be filled first, second and third place?
In the Hockey World Cup play eight teams, determine how many ways can they win gold, silver and bronze medals.
- Friends in cinema
5 friends went to the cinema. How many possible ways can sit in a row, if one of them wants to sit in the middle and the remaining's place does not matter?
- Olympics metals
In how many ways can be win six athletes medal positions in the Olympics? Metal color matters.
In how many ways can be divided gold, silver and bronze medal among 21 contestant?
- PIN - codes
How many five-digit PIN - code can we create using the even numbers?
How many ways can 5 guests sit down on 6 seats standing in a row?
- Coin and die
Flip a coin and then roll a six-sided die. How many possible combinations are there?
How many 3 letter "words" are possible using 14 letters of the alphabet? a) n - without repetition b) m - with repetition
- 2nd class variations
From how many elements you can create 6972 variations of the second class?
- 7 heroes
9 heroes galloping on 9 horses behind. How many ways can sort them behind?
Determine the number of items when the count of variations of fourth class without repeating is 42 times larger than the count of variations of third class without repetition.
- A three-digit numbers
Determine the total number of positive three-digit numbers that contain a digit 6.
- Theorem prove
We want to prove the sentense: If the natural number n is divisible by six, then n is divisible by three. From what assumption we started?
- Task of the year
Determine the number of integers from 1 to 106 with ending four digits 2006.