Task, Quick wits
15-May-2024 Wednesday
Intelligence challenge
18-January-2023 Wednesday
4 OR 1?
20-January-2020 Monday
Picture and a little discord in the family
29-October-2019 Tuesday
Find the odd shape
02-January-2019 Wednesday
Problem for first grade
12-November-2018 Monday
Task
09-November-2018 Friday
Problem about the machine with fish
12-May-2016 Thursday
CHALLENGE.
04-April-2016 Monday
Puzzle!
07-May-2015 Thursday
! ! ! AHTUNG ! ! !
17-July-2014 Thursday
After reading the news http://pikabu.ru/story/_30731109 I remembered this problem
26-June-2014 Thursday
Task
18-June-2014 Wednesday
Intelligence test for Hong Kong first graders.
29-March-2014 Saturday
For those who want to test their intelligence
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