Hunch #33 · Monday, November 2, 2026 Network Pass $1.95/mo · $19.50/yr · Day Pass $1.00 Free during preview

Hunch #33 · Monday, November 2, 2026

Today's Hunch

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%.

DiceQuestion 1 of 8

You roll one fair six-sided die 2 times. What is the chance, in percent, of rolling at least one six?

percent

FoldingQuestion 2 of 8

A sheet of paper 0.1 mm thick is folded in half 28 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?

metres

DoublingQuestion 3 of 8

There is 1 grain of rice on day 1, and the number doubles every day (2 on day 2, 4 on day 3). How many grains are there on day 32?

grains

ClockworkQuestion 4 of 8

How many seconds are there in 321 days?

seconds

CalendarQuestion 5 of 8

How many days after December 28, 1810 is September 1, 1971?

days

PackingQuestion 6 of 8

How many 1-inch cubes fit, packed perfectly with no gaps, in a box 4 ft long, 6 ft wide and 1 ft tall?

cubes

OrdersQuestion 7 of 8

In how many different orders can 16 different books stand in a row on a shelf?

orders

BirthdaysQuestion 8 of 8

21 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?

percent

No Hunch Book on this browser: you can keep the score in a new one after you see it.