Daily Fun Teasers
Each day on our YouTube Channel and Facebook page we upload a fun 'one minute' teaser, which varies in difficulty level from 'mild' right through to 'tough' and covers a multitude of (mainly maths based) topics. The most recent teasers can be found below - click on the button to watch the solution video and check if you were correct.
For our older one minute teasers check out our archives at these links
- One Minute Teasers #1 - #100
- One Minute Teasers #101 - #200
- One Minute Teasers #201 - #300
- One Minute Teasers #301- #400
- One Minute Teasers #401 -
How many can you do?
[Note: if you are interested in playlists of the one minute teasers grouped by difficulty level check out our Educational Videos page where you can find the links.]
One Minute Teaser #404
Can you do it? Check your answer by clicking the button below to watch the solution video.
If you want a clue, 1|qxy means both x and y survive one year and at least one passes away in the following year.
One Minute Teaser #403
Can you do it? Check your answer by clicking the button below to watch the solution video.
If you want a clue, look at yesterday's teaser #402, to which this teaser is related.
One Minute Teaser #402
Can you do it? Check your answer by clicking the button below to watch the solution video.
If you want a clue, think Gambler's Ruin with p(red) = 18/37 and p(not red)=19/37.
One Minute Teaser #401
Can you do it? Check your answer by clicking the button below to watch the solution video.
If you want a clue, think recursion. The expected number of runs (E) = 0 x probability out first ball + (probability not out first ball) x (probability out second ball) x 1.4 + (probability not out first or second ball) x (E + 1.3 + 1.4) - then solve for E.