Ratio quiz

More questions about Ratio

These visible examples show the question style. LearnClash turns the full topic into ranked duels and spaced repetition.

1. 1 Easy

   What is the ratio of opposite side to hypotenuse in trigonometry?

   Answer: Sine

   Why: The name is a translation slip: Sanskrit for bowstring became Arabic jayb, meaning pocket, which Gerard of Cremona put into Latin as sinus.

2. 2 Medium

   What is the classic ratio of oil to vinegar in vinaigrette?

   Answer: $3:1$

   Why: Vinaigrette is a diminutive of vinaigre, French for sour wine; whisking breaks the oil into droplets so the dressing holds together.

3. 3 Hard

   What compares a material's breaking strength to its density?

   Answer: Specific strength

   Why: Spider silk scores about seventeen times higher than stainless steel here: a strand could hang 109 km before its own weight snapped it.

4. 4 Easy

   Which photographic rule divides an image into nine equal parts?

   Answer: Rule of thirds

   Why: The English engraver John Thomas Smith coined the phrase in 1797, writing about landscape painting decades before photography.

5. 5 Medium

   Which interval did Pythagoras link to a $2:1$ string length ratio?

   Answer: Octave

   Why: Legend puts the discovery in a blacksmith's shop, but hammer weight cannot set pitch: string pitch follows the square root of tension.

6. 6 Hard

   Which conic section has an eccentricity ratio greater than 1?

   Answer: Hyperbola

   Why: Eccentricity measures deviation from circularity, spanning from 0 for a circle up to values above 1 for open hyperbolas.