A newspaper is printed on several sheets of paper and then folded down the middle. Each sheet of paper therefore contains four pages. Your newspaper has 28 as the back page, but you notice that a sheet is missing. One…

A newspaper is printed on several sheets of paper and then folded down the middle. Each sheet of paper therefore contains four pages. Your newspaper has 28 as the back page, but you notice that a sheet is missing. One…

Imagine three sealed envelopes. One contains a cheque for $10, one contains a cheque for $100, and one contains a cheque for $1,000. Envelope A says: A has more money than B. Envelope B says: B does not contain $10. …

You have 25 horses and you need to find the fastest three. They always run at the same pace, you don’t have a stopwatch, and you can race up to five horses at a time. What is the least number…

On Monday we asked about a survey determining people’s favourite numbers. What was the LEAST favourite number. Specifically, what was the lowest number that none of the 30,000 people surveyed chose? The first new player to comment on the website…

A mathematician polled over 30,000 people and asked for their favourite number. What was the most popular favourite number? The first new player to comment on the website with the correct answer wins a free drink at their next iQ…

We’re combining rap & math today. Kanye rapped that “one good girl is worth a thousand bitches.” Lil Wayne rapped that “bitches come a dime a dozen.” If both of them are correct, how much is a good girl worth?…

In the land of Misogynia, parents only want to have boys. If they have a boy, they stop having children. If they have a girl, they keep trying to have a boy. Out of 100 births, how many would be…

If it takes Donald Trump four seconds to type out a seven letter word and hit the space bar, and he chooses letters at random, and he never repeats a seven letter sequence, how long would it take for him…

How many times in a day do the hour hand and minute hand on a clock make a right angle? The first new player to comment on the website with the correct answer wins a free drink at their next…

This ant wants to go from point A to point B on this cube, in which each side is 4 inches. (If you’re scared of huge ants, don’t worry, it’s not to scale.) To the nearest inch, what is the…

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