Archive · Tuesday, October 27, 2026

Hunch #27

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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Head mathsQuestion 1 of 8

Without a calculator: what is 218 × 1,921?

Low High

OrdersQuestion 2 of 8

In how many different orders can 7 different books stand in a row on a shelf?

Low High orders

BirthdaysQuestion 3 of 8

23 people are in a room. Counting all 365 birthdays as equally likely (ignore February 29), what is the chance, in percent, that at least two of them share a birthday?

Low High percent

CalendarQuestion 4 of 8

How many days after April 5, 2013 is January 15, 2095?

Low High days

DiceQuestion 5 of 8

You roll one fair six-sided die 7 times. What is the chance, in percent, of rolling at least one six?

Low High percent

ClockworkQuestion 6 of 8

How many minutes are there in 31 years of 365 days?

Low High minutes

PackingQuestion 7 of 8

How many 1-inch cubes fit, packed perfectly with no gaps, in a box 5 ft long, 4 ft wide and 1 ft tall?

Low High cubes

InterestQuestion 8 of 8

You put $500 in an account that pays 6% a year, added once a year, and never touch it. What is it worth after 10 years, in dollars?

Low High dollars

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