The invention of the mechanical calculating machine named 'Pascaline' in 1642 was completed by whom? MCQ with Answer and Explanation

Question

Share Report Error

The invention of the mechanical calculating machine named 'Pascaline' in 1642 was completed by whom?

A. Blaise Pascal

B. René Descartes

C. Gottfried Wilhelm Leibniz

D. Charles Babbage

Answer: Option A

Solution (By JKSSB Mock Tests)

Blaise Pascal invented the Pascaline to assist his father, a tax commissioner, in performing arithmetic addition and subtraction.

This question belongs to: Static General Knowledge Inventions and Discoveries

Request complete Subject PDF

Discuss this Question (0)

No comments yet. Be the first to start the discussion!

Practice More Inventions and Discoveries Questions

Question #1

Share Report

The invention of the highly efficient multi-plate safety storage match box strip containing antimony trisulfide was pioneered where?

A. England

B. United States

C. Sweden

D. Germany

View Answer & Solution Discuss

Get Complete Subject PDF for Static General Knowledge

Correct Answer: Option C

Explanation:
Swedish manufacturing optimization made safety matches affordable and standard globally during the 19th century.

This question belongs to: Static General Knowledge Inventions and Discoveries

Question #2

Share Report

The invention of the common kitchen refrigeration insulation system known as the domestic electric refrigerator was scaled by which engineer?

A. Fred W. Wolf and Nathaniel B. Wales

B. Thomas Edison

C. Willis Carrier

D. James Dewar

View Answer & Solution Discuss

Get Complete Subject PDF for Static General Knowledge

Correct Answer: Option A

Explanation:
Wolf invented early air-cooled attachment refrigerator units in 1913, and Wales engineered units that Kelvinator mass-marketed.

This question belongs to: Static General Knowledge Inventions and Discoveries

Question #3

Share Report

Who discovered that cells arise only from pre-existing cells via division, completing cell theory?

A. Theodor Schwann

B. Matthias Schleiden

C. Robert Hooke

D. Rudolf Virchow

View Answer & Solution Discuss

Get Complete Subject PDF for Static General Knowledge

Correct Answer: Option D

Explanation:
Rudolf Virchow popularized the Latin aphorism 'Omnis cellula e cellula' in 1855, establishing modern cellular pathology basics.

This question belongs to: Static General Knowledge Inventions and Discoveries

Explore All Inventions and Discoveries MCQs