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Bracket #12 — the answers

The five questions from October 11, 2026, with their answers, the track each ran on, and the bracket that would have scored 90 on it.

The answers

#QuestionAnswerTrackA tenth of it, on the answer
1How long is Led Zeppelin’s “Stairway to Heaven”?482 seconds60 to 900440 to 525
2What year did the Sydney Opera House open?1,9731,900 to 2,0251,967 to 1,979
3What is 80% of 680?5440 to 680510 to 580
4How much would a 180-pound person weigh on the Moon?30 pounds1 to 18022 to 38
5How many pounds are in a US ton?2,000500 to 5,0001,800 to 2,250

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 long is Led Zeppelin’s “Stairway to Heaven”? 482 seconds — near the middle of its track. A bracket from 440 to 525 is a tenth of the track and scores 90; the whole track scores 0.
  2. What year did the Sydney Opera House open? 1,973 — near the middle of its track. A bracket from 1,967 to 1,979 is a tenth of the track and scores 90; the whole track scores 0.
  3. What is 80% of 680? 544 — in the upper third of its track. A bracket from 510 to 580 is a tenth of the track and scores 90; the whole track scores 0.
  4. How much would a 180-pound person weigh on the Moon? 30 pounds — in the lower third of its track. A bracket from 22 to 38 is a tenth of the track and scores 90; the whole track scores 0.
  5. How many pounds are in a US ton? 2,000 — near the middle of its track. A bracket from 1,800 to 2,250 is a tenth of the track and scores 90; the whole track scores 0.

Previous: Bracket #11 (Sat, Oct 10)

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.