Here are today’s questions. Answers will be published tomorrow. The theme runs from Mon-Thu:

1. Among other things, the transformation of a variable from the time domain to the frequency domain is named after which French polymath?
2. Which French mathematician gives his name to a discrete probability distribution that expresses the probability of a given number of events occurring in a fixed interval of time, if these events occur with a known constant mean rate and independently of the time since the last event?
3. The law that states that “the ratio between the volumes of reactant gases and their gaseous products can be expressed in simple whole numbers” is named after what French physicist?
4. A theorem about the characterization of the 3-sphere was conjectured by which French mathematician in 1904? It was first proved only in 2002.
5. [Theme: 4 of 4] What word derives from the Latin for ‘old man’ and originally was used to refer to a ‘council of elders’ in ancient Rome?

Here are the answers to 2025: Week 48, Quiz 3:

1. Evian
2. Ozarka
3. San Pellegrino
4. Vita Coco
5. Theme – will be revealed on Friday