Numerical answer
Four sentences related to a common theme are given below. Three of them can be logically combined to form a coherent paragraph. Identify the sentence that does NOT fit and key in its number as your answer.
1. Early clockmakers competed fiercely to build the most accurate mechanical timepieces of their era.
2. The invention of an accurate marine chronometer eventually let sailors calculate longitude precisely, transforming ocean navigation.
3. Modern GPS satellites now provide positioning accuracy that would have seemed miraculous to eighteenth-century navigators.
4. Textile mills of the same period relied on entirely different mechanisms, based on water wheels and later steam engines, to drive their looms.
1. Early clockmakers competed fiercely to build the most accurate mechanical timepieces of their era.
2. The invention of an accurate marine chronometer eventually let sailors calculate longitude precisely, transforming ocean navigation.
3. Modern GPS satellites now provide positioning accuracy that would have seemed miraculous to eighteenth-century navigators.
4. Textile mills of the same period relied on entirely different mechanisms, based on water wheels and later steam engines, to drive their looms.
Show answer and solution
Answer: 4
Sentences 1, 2 and 3 trace a coherent thread from early clockmaking through marine chronometers to modern GPS, all concerned with timekeeping and navigation. Sentence 4, about textile mills and looms, is unrelated to this thread and is the odd one out.
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