For the last one, I'm pretty sure 10+1+5 isnt 15...
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Our brains need workouts. Short puzzles and riddles are the perfect way to train your brain.
Bright Side collected some tasks to help the eggheads warm up their brains.
For the last one, I'm pretty sure 10+1+5 isnt 15...
5+1x10=60. Last answer is wrong. 5+(1x10)=15...but there were no parenthesis in the assignment.
Its order of operations, multiplication comes first. 1*10 = 10, +5 = 15
#2: 3 vertical lines, not touching. Easy
#4: 1-5-9-2, 1-6-7-3, 2-4-8-3