When should you stop at green and go at red?

More Questions from Logic Puzzles

• What grows when it eats but dies when it drinks?
• What belongs to you but is used more by others?
• I go around and in the house but never touches the house. What am I?
• Which alphabet is a vegetable?
• What Does My Name Mean, If my Mother is a Mathematician, and my Father is a Chemist. And they gave a Code to My Name as "Iron59". Crack my Name?
• 8 S on a SS means?
• What Room can Nobody Enter?
• Alone I am 24th, with a friend I am 20. Another friend and I am unclean. What am I?
• What always works with something in its eye?
• 7 C in the R?

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