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How many numbers can be made from four digits when two are the same?
I assume you mean how many 4-digit numbers can be made from a set such as {A,A, B, C} where A, B and C are single digits. There are 12 such numbers.
How many four digit numbers can be formed from the digits 1 3 7 9?
you take the four digits and multiply 4 by 4 you get 16 digits
How many whole numbers have exactly four digits?
how many numbers exactly have 4 digits ? 8900, 8999, 9000, 9999
How many whole numbers have four or fewer digits?
10,000
How many combinations of four digits can be made from 1-44?
45
How many numbers used in PIN at ATM?
It is usually 4 digits. Some banks offer pin numbers that are more than 4 digits long.
How many combination of four digits can be made from the numbers one through twenty four?
94
How many four digit numbers are there which have exactly the same two digits.?
Any pair of digits (not including 0), can be used to generate 14 four-digit numbers. If one of the digits is 0, only seven will start with a non-zero digit.
How many four digits numbers can be formed using 0578?
If the digits are all different then 18. Otherwise, 192.
How many counting numbers have four distinct nonzero digits such that the sum of the four digits is 10?
1,2,3,4 1+2+3+4=10 4 times 3 times 2 times 1 =24 24 counting numbers
What are the first four numbers in Pi written backwards?
The first four numbers in pi are 3.141. Backwards, the first four numbers are 141.3. Pi has been calculated to over a million digits.
How many four digit numbers are made of odd number?
If you're asking for 4 digit numbers where all four digits are odd, then the lowest number possible is 1111, and the highest is 9999. You only have 5 digits to work with. The answer is: 54 - 53 = 625 - 125 = 500.Subtract the 5 cubed for the numbers less than 1111, which are not four digits.
