SOLUTION: 120 numbers can be made from digits 1,2,3,4,5 if each digit is used once in a number. The smallest number is 12345 and the largest is 54321. If the 120 numbers are listed in order
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-> SOLUTION: 120 numbers can be made from digits 1,2,3,4,5 if each digit is used once in a number. The smallest number is 12345 and the largest is 54321. If the 120 numbers are listed in order
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Question 415904: 120 numbers can be made from digits 1,2,3,4,5 if each digit is used once in a number. The smallest number is 12345 and the largest is 54321. If the 120 numbers are listed in order from smallest to largest, what is the 73rd number in the list? Answer by sudhanshu_kmr(1152) (Show Source):
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total no. of numbers where 1 at first place = 4! = 24
similarly for 2 and 3 .........
so, 72 nd number will be last number where 3 at first place.....
73 will be first number starting from 4 ......
it is : 41235
