Question

Five digit numbers are formed such that either all the digit are even or all the digit are odd. If no digit is allowed to be repeated in one number find the difference between the maximum possible number with odd digit and the minimum possible number with even digits.

• A. $77063$
• B. $79999$
• C. $72841$
• D. $86420$

Answer 1

Answer: (A)

$77063$

Maximum possible number with odd digits $=97531$
Minimum possible number with even digits $=20468$
$\therefore Requireddifference=97531-20468=77063$