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If all the digits in the number 53426 are permuted in all possible ways and are arranged in decreasing order, then the number having rank 89 , is
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The correct answer is:
34265
Number of numbers starts with digit 6,5 and 4 is 24,24 and 24 respectively.
So, total numbers is 72 .
Now, number of numbers starts with 36,35 and 34 is 6,6 and 6 respectively.
The 90th number is 34256 .
So, 89 th number is 34265 .
So, total numbers is 72 .
Now, number of numbers starts with 36,35 and 34 is 6,6 and 6 respectively.
The 90th number is 34256 .
So, 89 th number is 34265 .
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