Table of Contents
How many 6 letter and number combinations are there?
So the six letters can be a combination of 6×5×4×3×2×1 letters or 720 arrangements.
How do you find the number of combinations with 6 numbers?
Hi Bryan, If you are just using the digits from 1 to 6, the answer would be 6*5*4*3*2*1 = 720, because you have 6 choices for the units digit, and then 5 choices left for the tens, and then 4 choices left for the hundreds and so on.
How many possible letter and number combinations are there?
Since there are 26 letters and 10 digits you have a total of 36 characters to choose from for each position. Starting from the left you can fill in the first position in 36 possible ways. For each of the 36 possibilities for the first character there are 36 possibilities for the second character.
How many 5 number and letter combinations are there?
The number of combinations possible with 5 letters is 65,780.
How many 6 digits number are there in all?
Answer: There are 9,00,000 (nine lakh) 6-digit numbers in all. In the 6-digit numbers, the highest place value is 1,00,000 which has a unique name in the Indian numeral system – a lakh. Explanation: To find the total number of 6-digit numbers, let’s first find the smallest and the largest 6-digit number.
What are 6 characters in a password?
Password is only 6 characters long….The password must contain at least three character categories among the following:
- Uppercase characters (A-Z)
- Lowercase characters (a-z)
- Digits (0-9)
- Special characters (~! @#$%^&*_-+=`|\(){}[]:;”‘<>,.?/)
What are 6 characters for a password?
How many combinations are there with two letters?
There are 325 possible combinations with two letters. To determine this number of combinations, we use the fact that the alphabet has 26 letters.
How many combinations can you make with one digit?
However, if a true number is required, meaning 0 cannot be the first digit, only 136,080 combinations are available. Using the digits 1 to 9, with none repeating, 60,480 combinations can be made. To determine the number of combinations, find the number of digits possible for each position and then multiply these numbers.
How many possible combinations can you make with one element?
If you choose only one element r = 1 at once from that set, the number of combinations will be 12 – because there are 12 different balls. However, if you choose r = 12 elements, there’ll be only 1 possible combination that includes every ball. Try it by yourself with the n choose r calculator!
How to calculate the number of combinations in a set?
Luckily, you don’t have to write down all of the possible sets! How to calculate the combinations, then? You can use the following combination formula that will allow you to determine the number of combinations in no time: C(n,r) = n!/(r!(n-r)!), where: C(n,r) is the number of combinations; n is the total number of elements in the set; and