Bracket #24 — the answers

The five questions from October 23, 2026, with their answers, the track each ran on, and the bracket that would have scored 90 on it.

The answers

Question by question

A question scores 100 minus the bracket’s width as a percentage of the track, if the answer is inside it, and nothing if it is outside. The tenth-of-the-track bracket below is the one a confident player was aiming for.

1. How many tablespoons are in a cup? 16 — in the lower third of its track. A bracket from 13 to 19 is a tenth of the track and scores 90; the whole track scores 0.
2. What year was Napoleon defeated at Waterloo? 1,815 — near the middle of its track. A bracket from 1,798 to 1,833 is a tenth of the track and scores 90; the whole track scores 0.
3. What is 85% of 880? 748 — in the upper third of its track. A bracket from 705 to 790 is a tenth of the track and scores 90; the whole track scores 0.
4. How many keys are on a full-size piano? 88 — near the middle of its track. A bracket from 80 to 98 is a tenth of the track and scores 90; the whole track scores 0.
5. How long is a day on Venus, one full turn? 243 Earth days — in the upper third of its track (a logarithmic track, so a tenth of it is a tenth of the powers of ten it spans). A bracket from 170 to 340 is a tenth of the track and scores 90; the whole track scores 0.

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About Bracket

Bracket is Noggin’s estimation puzzle, on the second shelf: five questions a day with a number for an answer, bracketed rather than named, outside the daily line-up. How to play Bracket, or play today’s.