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DAILY CHALLENGES

APRIL 2023

020304050607080910
Daily Challenges are moving on April 10, 2023! Find them in our course catalog
under "puzzles".


MONDAY, APRIL 10, 2023

Math and Logic

WHO WON THE RACE?

We can sometimes use logic to stretch a little information a long way. Can these
small clues tell us everything we need to know about who won this competition?

Series 3 of 3


SUNDAY, APRIL 9, 2023

100 Day Challenge 2020

THE NINE NINE PLUS

There are lots of ways to add to nine, but is it possible to make it happen
twice in this puzzle?


SATURDAY, APRIL 8, 2023

Math and Logic

HOW MUCH CAN THEY SEE?

Art needs protecting and so art galleries need guards. How many does this one
need?


FRIDAY, APRIL 7, 2023

Science and Engineering

PASTA, PRONTO

"A watched pot never boils" is about psychology, not physics — how can we
actually get water to boil sooner?

Series 3 of 4


THURSDAY, APRIL 6, 2023

Science and Engineering

COOL, COOLER, COOLEST

Adding cold water to hot tea will help to cool it down. When should we do it?


WEDNESDAY, APRIL 5, 2023

Math and Logic

FIND THE PATTERN

Mathematics is the art of reasoning about patterns, and not all patterns are
numerical. What completes this pattern?


TUESDAY, APRIL 4, 2023

100 Day Challenge 2020

DRAW THE LINE

Adding additional lines to a diagram can turn a challenging problem into
something far simpler.