Class 8 Online Courses

Inventions App's Tests

Inventions e-Book's MCQs - Complete

Adding machine App MCQs & e-Book Download - 90

MCQ:

In which one of the following year, adding machine was patented?

  1. 1642
  2. 1657
  3. 1643
  4. 1645

Inventions App & e-Book Tests PDF Download

Adding machine Textbook App: Free Download iOS & Android

The App: Adding machine MCQs App to study Adding machine Textbook, General Knowledge MCQs App, and Inventions MCQs App. The "Adding machine MCQs" App to free download Android & iOS Apps includes complete analytics with interactive assessments. Download App Store & Play Store learning Apps & enjoy 100% functionality with subscriptions!

Adding machine App (Android & iOS)

Adding machine App (Android & iOS)

General Knowledge App (Android & iOS)

General Knowledge App (iOS & Android)

Inventions App (Android & iOS)

Inventions App (Android & iOS)

Basic Sociology App (Android & iOS)

Basic Sociology App (iOS & Android)