Content protected from screenshots
GKFix.in
Current Affairs
General Knowledge
Categories
Concept Builder Quiz
About Us
Start Quiz
GKFix.in
Home
Current Affairs
General Knowledge
Categories
Concept Builder Quiz
Start Quiz
GKFix MCQ Question
Test your knowledge and learn something new
Home
Inventions
Question #6110
Back to Home
View All Inventions Questions
14 Views
Question
What Elmer A. Sperry invented?
A. Hydroplane
B. Hydraulic turbine
C. Magnetic compass
D. Gyrocompass
Check Answer
Share on Twitter
Share on Facebook
Copy Link
Related Questions
What did Ruth Handler invent in 1959?
15
Who invented the cotton gin, transforming cotton processing in America?
9
Which of the following is an artistic invention by Nam June Paik?
10
In preparation for Bakrid, the Uttar Pradesh Police issued strict instructions regarding religious p...
(Current Affairs)
26
Who was deported from the United States to India on or around November 19, 2025, in connection with ...
(Current Affairs)
5