10
Using the formula n!/r!(n-r)! where n is the number of possible numbers and r is the number of numbers chosen, there are 13983816 combinations of six numbers between 1 and 49 inclusive.
321 312 213 231 123 132 6 3 digit numbers.
9915 1159 5555 9999 1111
Using 1, 2, and 3, you can make 27 whole numbers.
20 of them, if repetition is not allowed.
It is: 9C7 = 36
10,000
15
10
Using the formula n!/r!(n-r)! where n is the number of possible numbers and r is the number of numbers chosen, there are 13983816 combinations of six numbers between 1 and 49 inclusive.
11,238,513 of them.
6*5*4*3=360
120 5-digit numbers can be made with the numbers 12345.
321 312 213 231 123 132 6 3 digit numbers.
9915 1159 5555 9999 1111
5! = 5 x 4 x 3 x 2 x 1 = 120