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How many 5 digits numbers can be formed from numbers 1 through 9?
Wiki User
∙ 14y ago
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.
Wiki User
∙ 14y ago
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How many different four-digit numbers can be formed from the digits 0 through 9?
10,000
How many different 2 digit odd numbers can be formed from the digits 1 through 8 if no digits are repeated in a number?
36
How many 5 digits numbers can be formed using digits?
99999
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 3 digit numbers can be formed from the digits 0 through 9 in a set of three?
If the digits can be used more than once, then 900. If not, then 648.
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 4 digit numbers can be formed from the digits 7341 if none of the digits can be repeated?
24
How many 5 digit numbers can be formed from the digits 012 if any of the digits can be repeated?
500
How many numbers of at least tree different digits can be formed from the integers 123456?
Numbers formed should be of at least 3 digits means they may be of 3 digits, 4 digits, 5 digits or 6 digits. There are 6 choices for digit in the units place. There are 5 and 4 choices for digits in ten and hundred’s place respectively. So, total number of ways by which 3 digits numbers can be formed = 6.5.4 = 120 Similarly, the total no.of ways by which 4 digits numbers can be formed = 6.5.4.3 = 360. the total no. of ways by which 5 digits numbers can be formed = 6.5.4.3.2 = 720. The total no.of ways by which 4 digits numbers can be formed = 6.5.4.3.2.1 = 720. So, total no.of ways by which the numbers of at least 3 digits can be formed = 120 + 360 + 720 + 720 = 1920.
How many 6 digit numbers can be formed using the digits 123456789?
There are 60480 numbers.
How many 4 digit numbers can be formed from the digits 1234567 with no duplicate numbers?
840
How many 4 digit numbers can be formed from the digits 123456789?
There are 3024 of them.
