Task, Quick wits

15-May-2024 Wednesday
Intelligence challenge

18-January-2023 Wednesday
4 OR 1?

29-October-2019 Tuesday
Find the odd shape

02-January-2019 Wednesday
Problem for first grade

09-November-2018 Friday
Problem about the machine with fish

12-May-2016 Thursday
CHALLENGE.

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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