Question

The difference between the greatest and the smallest 4 digit numbers that can be formed by the digits 5, 3, 0 and 8 such that 5 is always at ones place and number digits are repeated is

• A. 5085
• B. 4950
• C. 5220
• D. 4945

Answer 1

The correct option is C

5220

Greatest number = 8530
Since 5 should be in onesplace = 8305
And smallest number = 3085
$\therefore \text{Difference}=8\text{/}{3}^2\text{/}{0}^{10}5\underset{–}{3085}\underset{–}{5220}$