The difference between the greatest five-digit number and the greatest five-digit number with all different digits is:
(a) 1000 (b) 12345
(c) 1 (d) 1234

To do:

We have to find the difference between the greatest five-digit number and the greatest five-digit number with all different digits.

Solution:
The greatest five-digit number is 99999.

The greatest five-digit number with all different digits is 98765.
Therefore,

 The difference between the greatest five-digit number and the greatest five-digit number with all different digits$=99999-98765=1234$.

The correct option is (d) 1234.

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Updated on: 10-Oct-2022

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