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The answer is 18C6 which stands for 18!/[6!*(18-6)!] where n! means 1*2*3*...*n.

That simplifies to 18*17*16*15*14*13/(6*5*4*3*2*1) = 18564

Q: How many sets of 6 numbers in 18 numbers?

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6 if order doesn't matter

from the numbers 4567 we can have 24 numbers

There are infinitely many sets. One possibility is {18, 18, 18, 18, 18, 18}. Another is {15, 16, 17, 19, 20, 21} or {-5000, -4999, -4998, 5034, 5036, 1,000,000,000,000,000}

18 and 6.

That's an easy one six factorial, of course. 6x5x4x3x2x1=your answer

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6 if order doesn't matter

from the numbers 4567 we can have 24 numbers

There are 376740 such sets and you must think me crazy if you think I will list them all!

There are infinitely many sets. One possibility is {18, 18, 18, 18, 18, 18}. Another is {15, 16, 17, 19, 20, 21} or {-5000, -4999, -4998, 5034, 5036, 1,000,000,000,000,000}

There are infinitely many sets. {3,6,6,6,6,9} is one possibility.

There are infinitely many sets of this type. Some of the common sets include natural numbers, integers, rational numbers, real numbers, complex numbers. Also, as an example, all sets of multiples of some whole number, for instance: { ... -6, -4, -2, 0, 2, 4, 6, ...} {... -9, -6, -3, 0, 3, 6, 9, ...} etc.

That depends on the numbers you're comparing. 6 is the GCF of 12 and 18. 9 is the GCF of 18 and 27.

12, 18, 20, and 28 are a few of the many numbers having 6 factors.

1, 2, 3, 6, 9, 18.

18 and 6.

That's an easy one six factorial, of course. 6x5x4x3x2x1=your answer

6 and 18