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Q: How many different 2 digit odd numbers can be formed from the digits 1 through 8 if no digits are repeated in a number?
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What is the smallest 6 digit number using the digits 12345?

Since there are only five different digits, a 6-digit number can only be generated if a digit can be repeated. If digits can be repeated, the smallest 6-digit number is 111111.


How many odd numbers with middle digit 5 are there between 40000 and 69999 with no digits repeated?

2000


How many different combinations can you make with 6 digits using the numbers 1 7 9 1 7 and 9?

This is really a question about permuations with repeated elements. The formula for that is n!/a! b!... where a, b,.. are repeated So we have 6 elelments with each repeated 2 times. so the number is. 6!/2!2!2! This is 6x5x4x3x2x1/ 23 so we can cancel out the 4 and the 2. 6x5x3=90 So 90 different numbers.


How many license plate combinations from 3 digits followed by 3 letters?

There are 26 different letters that can be chosen for each letter. There are 10 different numbers that can be chosen for each number. Since each of the numbers/digits that can be chosen for each of the six "spots" are independent events, we can multiply these combinations using the multiplicative rule of probability.combinations = (# of different digits) * (# of different digits) * (# of different digits) * (# of different letters) * (# of different letters) * (# of different letters) = 10 * 10 * 10 * 26 * 26 * 26 = 103 * 263 = 1000 * 17576 = 17,576,000 different combinations.


How many four digits numbers can be formed out of 56789 if no digits can be repeated?

5P4 where P is the permutation operator = 5!/(5-4)! = 5! = 5 x 4 x 3 x 2 x 1 = 120.

Related questions

How many 4 digit numbers can be formed from digits 123456789?

5040 different 4 digit numbers can be formed with the digits 123456789. This is assuming that no digits are repeated with each combination.


How many different numbers can you form if no digit is repeated?

The answer will depend on how many digits you have at your disposal. Working with the 10 digits, and barring leading zeros, there are 8,877,690 numbers.


What is the greatest five digits even numbers with no repeated digits?

98,764


What are the possible combinations of the digits 0 through 9 if number may be repeated in the sequence?

Infinite. If numbers can be repeated, the list could go on nonstop.


How many 5 digits numbers can be formed from numbers 1 through 9?

9!/(5! x 4!) = (9 x 8 x 7 x 6) / (4 x 3 x 2) =126 if all digits have to be different. If repeated digits are allowed then it is 95 ie 59049.


How many 6-digits telephone numbers can have one or more repeated digits?

763920


How many four digit numbers from the digits 1 2 3 4 5?

If the digits can be repeated, then there are (5 x 5 x 5 x 5) = 625 different four-digit numbers.If the digits can't be repeated, then there are (5 x 4 x 3 x 2) = 120 different four-digit numbers.


What is the probability of three digit numbers without repeated digits with numbers 0123456?

It is possible to create a 3-digit number, without repeated digits so the probability is 1.


If using the numbers 1 through 9 how many different 3 digit combinations can be made?

If you allow digits to be repeated (for example, 222 or 992), then there are 9 x 9 x 9 = 729 combinations. If you do not allow digits to be repeated, then there are 9 x 8 x 7 = 504 combinations.


How many 3 digit numbers can be formed from the digits 24578 if no digits can be repeated?

There are 5*4*3 = 60 such numbers.


How many three digit numbers have no repeated digits?

757


How many 3 digit numbers can be made out of the numbers 1 2 3 and 4?

With repeated digits, 43 = 64 Without repeated digits, 4*3*2 = 24