Question : Who invented of 'Helicopter' ?
Option 1: Igor Sikorsky
Option 2: Louis Breguet
Option 3: Otis Boykin
Option 4: Frank Whittle
Recommended: How to crack SSC CHSL | SSC CHSL exam guide
Don't Miss: Month-wise Current Affairs | Upcoming government exams
Correct Answer: Igor Sikorsky
Solution : The correct answer is Igor Sikorsky.
The helicopter is attributed to Igor Sikorsky. Sikorsky, a Russian-American aviation pioneer, created the VS-300, the first commercially viable helicopter, in 1939.
Candidates can download this e-book to give a boost to thier preparation.
Download NowKnow More About
Related Questions
Question : Who invented Helicopter?
Question : Who invented aeroplane?
Question : Who invented airbag?