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Inventions App's Tests

Inventions e-Book's MCQs - Complete

Compact Disk: Inventions MCQs App & e-Book - 204

MCQ: 204

In which one of the following year, compact disk was invented?

  1. 1911
  2. 1925
  3. 1977
  4. 1965

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General Knowledge Study App: Free Download Android & iOS Apps

The App: General Knowledge MCQs App to study Compact Disk, Inventions MCQs App, and Biochemistry MCQs App. The "General Knowledge" App to free download Compact Disk MCQs App (iOS & Android) includes complete analytics with interactive assessments. Download App Store & Play Store study Apps & enjoy 100% functionality with subscriptions!

Compact Disk App (Android & iOS)

Compact Disk App (Android & iOS)

General Knowledge App (Android & iOS)

General Knowledge App (iOS & Android)

Inventions App (Android & iOS)

Inventions App (Android & iOS)

Biochemistry App (Android & iOS)

Biochemistry App (iOS & Android)