Try Solving These 8 Puzzles to Prove You’re Thinking Outside the Box

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