Q: How many 3 digit numbers can be formed using only 1467 without using it more than once?

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There are 600 such numbers.

9*8*7 = 504 of them.

I take it that you want to make three digits numbers with 8,7,3, and 6 without repetition. The first digit cane be selected from among 4 digits, the second from 3 digits, the third digit from 2, hence the number of three digit numbers that can be formed without repetition is 4 x 3 x 2 = 24

502 205 250 520 4 numbers. If a leading zero is allowed then you can have 052 and 025 for 6 numbers.

5040 numbers can be made.

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There are 600 such numbers.

9*8*7 = 504 of them.

I take it that you want to make three digits numbers with 8,7,3, and 6 without repetition. The first digit cane be selected from among 4 digits, the second from 3 digits, the third digit from 2, hence the number of three digit numbers that can be formed without repetition is 4 x 3 x 2 = 24

There are 60480 numbers.

1

# 230 # 203 # 320 # 302

502 205 250 520 4 numbers. If a leading zero is allowed then you can have 052 and 025 for 6 numbers.

125

ten factorial = 10! = 3,628,800

There are 900 of them.

5040 numbers can be made.

24 different numbers.