Dr. Johnson and his family are on an island and they need to come back to shore.
The rowboat can only hold 90 kg. They cannot swim.
Dr. Johnson weighs 85 kg.
His wife weighs 65 kg.
His son weighs 45 kg.
His daughter weighs 40 kg.
Their dog weighs 8kg.
How do they get to shore?
Brain Teaser – October 5
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