Solution:According to H. Simon Public administration defined by red type while private administration free from it.
• According to Paul H. Appleby public administration is different from private administration of these grounds:
1. The breadth of scope, impact and consideration.
2. Public accountability.
3. Political character.
• According Josia Stamp aspects are:
1. Public accountability
2. Principle of uniformity
3. Principle of external financial control
4. Principle of service motive
So, Paul Appleby, Herbert Simon and Sir Josia Stamp make the distinction between public administration and private administration.