Archive · Sunday, October 4, 2026

Hunch #4

For each question, give a low and a high you are 80% sure the answer sits between. Tighter brackets score more; a miss scores zero. You can type 2 million, 3e9, 1.5k or 45%.

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InterestQuestion 1 of 8

You put $2,500 in an account that pays 8% a year, added once a year, and never touch it. What is it worth after 36 years, in dollars?

Low High dollars

PackingQuestion 2 of 8

How many 1-inch cubes fit, packed perfectly with no gaps, in a box 6 ft long, 6 ft wide and 1 ft tall?

Low High cubes

Head mathsQuestion 3 of 8

What is 1 + 2 + 3 + … + 53,168 (every whole number up to 53,168 added together)?

Low High

FoldingQuestion 4 of 8

A sheet of paper 0.1 mm thick is folded in half 25 times (pretend that is possible: ordinary paper is hard to fold more than 7 or 8 times). How thick is the folded stack, in metres?

Low High metres

DiceQuestion 5 of 8

You roll one fair six-sided die 8 times. What is the chance, in percent, of rolling at least one six?

Low High percent

CalendarQuestion 6 of 8

How many days after May 22, 2019 is June 11, 2163?

Low High days

DoublingQuestion 7 of 8

There is 1 paper clip on day 1, and the number doubles every day (2 on day 2, 4 on day 3). How many paper clips are there on day 37?

Low High paper clips

ClockworkQuestion 8 of 8

How many hours are there in 26 years of 365 days?

Low High hours

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