Class 8 Online Courses

Inventions App's Tests

Inventions e-Book's MCQs - Complete

Hor Air Balloon MCQ App Download & e-Book - 379

MCQ:

In which one of the following year/hot air balloon was patented?

  1. 1782-83
  2. 1713-14
  3. 1755-56
  4. 1769-70

Inventions App & e-Book Tests PDF Download

Hor Air Balloon Learning App: Free Download Android & iOS

The App: Hor Air Balloon MCQ App to learn Hor Air Balloon Textbook, General Knowledge MCQ App, and Mechanics of Materials MCQ App. The "Hor Air Balloon MCQ" App to free download iOS & Android Apps includes complete analytics with interactive assessments. Download App Store & Play Store learning Apps & enjoy 100% functionality with subscriptions!

Hor Air Balloon App (Android & iOS)

Hor Air Balloon App (Android & iOS)

General Knowledge App (Android & iOS)

General Knowledge App (iOS & Android)

Mechanics of Materials App (Android & iOS)

Mechanics of Materials App (Android & iOS)

Basic Computer Knowledge App (Android & iOS)

Basic Computer Knowledge App (iOS & Android)