Discovery & Inventions - Online Test

Total Number of Questions in this Test: 10
Total Number of Questions Answered: 0
Total Number of Questions Skipped: 0


Time left:
 
Question : 1

Rubik Cube was invented in 1974 by

Options :
  •  Nikola Tesla
  •  George Carver
  •  Architect Erno
  •  Samuel Morse