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Q: How many two digit even numbers are there which have different digits?

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12689 14689 12489

There are 5760 such numbers.

5 x 10 x 5 = 250 different numbers, assuming there is no limit to each digits' use.

987,654

5*5*4*4 = 400

500

There are 320 such numbers.

24680 using only even numbers or 12346 which is an even number

8642 is the greatist number if all the numbers are not the same and even

None, because you do not have three even digits. None, because you do not have three even digits. None, because you do not have three even digits. None, because you do not have three even digits.

Assuming that 2356 is a different number to 2365, then: 1st digit can be one of four digits (2356) For each of these 4 first digits, there are 3 of those digits, plus the zero, meaning 4 possible digits for the 2nd digit For each of those first two digits, there is a choice of 3 digits for the 3rd digit For each of those first 3 digits, there is a choice of 2 digits for the 4tj digit. Thus there are 4 x 4 x 3 x 2 = 96 different possible 4 digit numbers that do not stat with 0 FM the digits 02356.

14, 32, and 50

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