Question

Suppose 5- digit numbers are formed by the digits 1234 and 5 without repetition. If they are arranged in an ascending order, then 100th number is

Answer 1

Answer:

100 number = 51342

Step-by-step explanation:

Total possible numbers = 5 * 4 * 3 * 2 * 1 = 120

24 numbers will start with 1

24 numbers will start with 2

24 numbers will start with 3

24 Numbers will start with 4

total 96 numbers

97 number =  51234

98 number =  51243

99 number =  51324

100 number = 51342