Question

how many 3 digit numbers can be formed by the digits 1 2 3 4 5 6 if the reputation of digit is not allowed​

Answer 1

Answer:

120  three digit numbers can be formed from the digits 1, 2, 3, 4, 5, 6 without repeating any of the digits.

Step-by-step explanation:

Digits possible : 1 2 3 4 5 6, total 6 digits

Consider three boxes for each digit

                                   i             ii              iii    

No of digits              

that can be used:     6               5                4

Repetition is not allowed, so if 6 digits can be used in place of the 1st digit of the 3 digit number, one of those digits can't be used again in place of the next digit and so on.

Total number of 3 digit numbers that can be made = 6×5×4

                                                                                     = 120//

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Answer 2

Answer:

Answer :- 120

is your right answer