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Rama09 [41]
3 years ago
9

How many different four-digit numbers can be made using the digits 1,2,3,4,5,6 if no digit can be used more than once?

Mathematics
1 answer:
igomit [66]3 years ago
5 0

Answer:

360

Step-by-step explanation:

The given digits are 1,2,3,4,5,6.

So, total number of digits = 6.

We need to find the number of different ways to form four-digit numbers using the digits, without repetition.

Total ways for first place = 6

After selecting 1 digit the number of remaining digits is 5. So,

Total ways for second place = 5

Similarly,

Total ways for third place = 4

Total ways for forth place = 3

Total number of ways = 6\times 5\times 4\times 3=360

Therefore, 360 four digit numbers are possible.

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