1. Who invented Bicyle ?

Answer: Kirkpatrick Macmillan of Britain.

2. Who invented google ?

Answer:

Larry Page

3. Who invented Ballistic missile ?

Answer: Wemher von Braun of Germany in 1944.

4. Who invented Machine Gun ?

Answer:

Helge Palmcrantz, Swedish inventor and industrialist

5. Who invented Steam Engine (Piston)

Answer: Thomas Newcomen of Britain in 1712

6. Who invented Penicillin ?

Answer: Alexander Fleming of Britain in 1928.

7. Who invented Floppy disk ?

Answer: IBM in 1970