There are 12 such numbers.
There are 24.
3*3*2*1 = 18
9,000
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.
There are 12 such numbers.
There are 24.
7000 - 999 ie 6001 four digit numbers
3*3*2*1 = 18
900 numbers
9,000
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.
90
2240
There are 7200 such numbers.
2 Nope! definitely not 2.. The answer should be 126 I'm looking for the solution. Eg. Q. How many 4 digit numbers can be made from the digits 1-9 A. 9X8X7X6= 3024.
625 if numbers can have leading 0s, 500 otherwise.