Fively #002

If you’d rather play this day first, don’t look yet.

1. Count · How many?

   How many coins were there?

   Answer 85

   Our sense of number works by ratios: telling 20 from 25 is about as hard as telling 200 from 250.

2. Tilt · What angle?

   How far does each of the Gate of Europe towers, in Madrid, lean?

   Answer 15.0°

   15°, towards each other across the Plaza de Castilla. Finished in 1996, each tower is about 114 m tall.

   Sources: Wikipedia · Gate of Europe, Designing Buildings Wiki · Gate of Europe

3. Shade · What color?

   What red are London's buses?

   Answer #DC241F

   Transport for London's colour standard calls it simply “Bus”: #DC241F, the same red as the Central line on the Tube map.

   Sources: TfL Digital · Digital colour standard, Brand Palettes · London Underground logo colours

4. Hold · How long?

   Hold for as long as a volleyball player has to serve after the referee's whistle.

   Answer 8.00 s

   8 seconds, under rule 12.4.4 of the FIVB's Official Volleyball Rules: serving later is a fault.

   Sources: FIVB · Official Volleyball Rules 2025–2028, NBC Olympics · Volleyball 101: rules

5. Fill · How much?

   How much of the air we breathe is oxygen?

   Answer 21%

   About 21% (20.95% of dry air). Most of the rest, about 78%, is nitrogen.

   Sources: NASA · Earth fact sheet, Wikipedia · Atmosphere of Earth