Alexandru Robert Dumbrava

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Alexandru Robert Dumbrava
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So many times I have been asked for help with a query, where the question really comes down to the understanding of the difference between INNER and LEFT or RIGHT JOINs. I created this poster a few years ago and…Read more ›

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Lateral Thinking, Math Challenge, Bell Work, Math Humor, Brain Training, Math Projects, Brain Teasers, Teaching Tips, Thinking Skills, Brain Games, Thoughts, Brain Breaks

Number Series Puzzle Questions - 5 Sequence Brain teasers puzzles

Find what comes next in the number series puzzles. Which number will replace the question mark? Solve these tricky 5 number sequences brain teasers puzzles

Puzzle solutions

Here is a set of six easy matchstick puzzles to get beginners started on this old time brain teasing opportunity.

Puzzle 3/3: This is another variation of the viral Hong Kong parking math problem that I came up with.  Answers: https://www.youtube.com/watch?v=SYCRyH_-3f4  Video: https://www.youtube.com/watch?v=OGOzKu33zaI  Blog: http://mindyourdecisions.com/blog/2015/06/28/where-is-the-car-parked-viral-math-problem-from-hong-kong-plus-2-variations-sunday-puzzle/#.VZBXzflVhBc

Where Is The Car Parked? Viral Math Problem From Hong Kong, Plus 2 Variations.

Interesting brain teasers, logical puzzles, mental riddles, whatsapp puzzles, facebook viral puzzles all in one place with answers. Puzzle #67 – Owl-Cow-Elephant Puzzle Answer Answer is 46. Single Elephant values 6. Single owl values 4. Two owls + cow + cow = 18 | 2(4) + cow + cow = 18 | So a single …

Interesting brain teasers, logical puzzles, mental riddles, whatsapp puzzles, facebook viral puzzles all in one place with answers. Puzzle #67 – Owl-Cow-Elephant Puzzle Answer Answer is 46. Single Elephant values 6. Single owl values 4. Two owls + cow + cow = 18 | 2(4) + cow + cow = 18 | So a single …

MATH PUZZLE: Can you replace the question mark with a number?

MATH PUZZLE: Can you replace. - MATH PUZZLE: Can you replace the question mark with a number? - - Correct Answers: 115 - The first user who solved this task is Donya