Arrange in hierarchical order by date the following inventions:
I. – Census machine; Il. – Abacus; lll. – Slide rule; IV.- Difference engine.
- I, lI, IlI and IV
- I, Il, III and IV
- I, II, IV and llI
-
I, IV, IlI, and lI
The correct answer is: D
Explanation
The correct order of the inventions by date is II - Abacus (Ancient times), III - Slide rule (1622), I - Census machine (1890), IV - Difference engine (1822). The Abacus is the oldest of these inventions, followed by the Slide rule, then the Difference engine, and finally the Census machine.