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There are only five combinations: 1234, 1235, 1245, 1345 and 2345.

Q: How many 4 number combinations are possible with 12345 without repeating?

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There are 35C4 = 35*34*33*32/(4*3*2*1) = 52,360 combinations.

12345 but if you can use a decimal, then 0.1234 would be the smallest possible number.

If repeats are allowed than an infinite number of combinations is possible.

The greatest possible number is 888... (repeating).

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There are twelve possible solutions using the rule you stated.

pls i need the formular of national game lotto

With repeating digits, there are 33 = 27 possible combinations.Without repeating any digits, there are 6 combinations:357375537573735753

9,876,543

987654321

4321

10234567

There are 35C4 = 35*34*33*32/(4*3*2*1) = 52,360 combinations.

120 different combinations (5 x 4 x 3 x 2).

The least possible integer is -98765432. The least possible positive integer is 10234567.

The number of combinations, denoted by 11C6 is 11!/[6!*(11-6)!] = 11*10*9*8*7/(5*4*3*2*1) = 462

There are 10C3 = 10*9*8/(3*2*1) = 120 combinations.