GK Inventions |  inventors | year of invention | Bheem | Interview questions and answers
Channel: Brainic
Date: 2020-03-27

GK Inventions |  inventors | year of invention | Bheem | Interview questions and answers

 Dear Students and kids, 

This YouTube channel videos offer most important and expected GK questions and answers with explanation, which are very useful and effective for all students mainly for those who are going to attend all type of competitive examination like | SSC | | SSC CHSL | | UPSC | | IAS | | IPS | IRS | |PCS | | RAS | | SB I | | BANKS | | PO| | NDA | | IBPS | | RAILWAYS | | SSC CGL | | LIC | | DMRC |, etc., You can improve your knowledge in a very easy method. 

These YouTube Channel videos are very useful and effective for your future carriers and also you can attend all types of competitive exams without any fear. These YouTube channel videos cover all types of GK Questions like Numerical aptitude | | English grammar | | Clerical aptitude | | Mental ability | | history | | science | | English | | Geography | | world GK | | India | | mathematics | | arithmetic | etc.,
1. Who invented Printing Press?
2. Who invented the piano?
3. Who invented the steamboat?
4. Who invented the steam engine?
5. Who invented the Watt steam engine? 
6. Who invented the Mercury thermometer?
7. Who invented the Telescope?
8. Who invented the Submarine?
9. Who invented the Bifocal Lens?
10. Who invented Magnifying glass?
11. Who invented the Achromatic lens?
12. Who invented power loom?
13. Who invented a gas turbine?
14. Who invented Electric Battery?
15. Who invented a stethoscope?
16. Who invented Hygrometer?
17. Who invented Watch?
18. Who invented Electric Motor?
19. Who invented Typewriter?
20. Who invented ARPANET?
21. Who invented the Sewing machine?
22. Who invented Dynamo? 
23. Who invented the Telegraph?
24. Who invented Revolver?
25. Who invented Pedal driven bicycle?

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