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General Knowledge MCQ App Download - Inventions Apps (Android & iOS)

General Knowledge MCQ - Complete Course

Inventions MCQ App Download & e-Book - 669

Apps:

General Knowledge App (Play Store) General Knowledge App (App Store)
MCQ: 669

First lock-stitch sewing machine was invented by

  1. Elias Howe
  2. Isaac Singer
  3. Walter Hunt
  4. Hiram Moore

General Knowledge App & e-Book Tests PDF Download

Inventions Learning App: Free Download Android & iOS

The App: Inventions MCQ App to learn Inventions Notes, General Knowledge MCQ App, and Zoology MCQ App. The "Inventions" App to Free Download General Knowledge MCQ Apps (iOS & Android) for easy enrollment online colleges. Download App Store & Play Store study Apps with all functionalities for free career quiz.

Inventions Apps (Android & iOS)

Inventions App

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General Knowledge App

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