The question below consists of a set of labelled sentences. Out of the four options given, select the most logical order of the sentences to form a coherent paragraph.
The room which yielded so X-the fourth floor of a Y-boarding-house in Bleecker Street Z-much satisfaction to the two boys was on
If a chord of a circle subtends an angle of 30° at the circumference of the circle, then what is the ratio of the radius of the circle and the length of the chord respectively?