Billy never slows down or stops painting no matter how tired he is. In fact, it would take Billy only 4 hours to paint a fence by himself. It would take Suzy 6 hours to paint the same fence by herself.

On Friday, Billy and Suzy worked together to paint the fence and Billy got tired after 2 hours.

How much time did it take to paint the whole fence?


  • AI-resistant
  • Numerical Reasoning
  • Mechanics
  • Work Rate
  • Public
  • Hard


Difficulty: Hard

Duration: 5 min

Score Distribution

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