Brain Teasers & Puzzles
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Jacob & John have two children. The probability that the first child is a girl is 50%. The probability that the second child is a girl is also 50%. Jacob & John tell you that they have a daughter.
What is the probability that their other child is also a girl?
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A school bus travels from Los Vegas to Lo Angels. There are four children in the bus. Each child has four backpacks with him. There are four dogs sitting in each backpack. Every dog has four puppies with her. All these dogs have four legs, with four toes at each leg.
What is the total number of toes in the bus?
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You drive a bus from Mexico city to Mexican Valley. At the first bus stop, 22 people get in. At the second bus stop, 9 more people get in, and 14 passengers step off. At the third bus stop, 3 passengers step off and 5 people get in. After one hour, the bus arrives in Mexican Valley.
What is the name of the driver?
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Mice can multiply very fast. Adult mice can give birth once every month, and baby mice grow into adult mice in just two months after they are born.
If you would buy a baby mouse just after it was born, how many mice would you have in 10 months?
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