100 coins are lying flat on a table. 10 of them are heads up and 90 are tails up.You can’t see which one is which. How can we split the coins into two piles such that there are same number of heads up in each pile?
Answer: Make 2 piles with 10 coins and 90 coins each. Now, flip all the coins in the smaller pile.
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If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?
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A man has to take a dog, a cat, and a mouse across a river. He can only take one of the animals across at a time. If he takes the mouse, the dog will eat the cat. If he takes the dog, the cat will eat the mouse. How does he get the three animals across the river?
Answer: 1. The man takes the cat across and goes back to get the mouse. 2. The man then takes the mouse across and returns with the cat. 3. The man leaves the cat on the shore and takes the dog across. He leaves the dog with the mouse. 4. The man goes back to get the cat and all of the animals have made it across the river!
Solution:
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1. The man takes the cat across and goes back to get the mouse. 2. The man then takes the mouse across and returns with the cat. 3. The man leaves the cat on the shore and takes the dog across. He leaves the dog with the mouse. 4. The man goes back to get the cat and all of the animals have made it across the river!
Show Answer
1. The man takes the cat across and goes back to get the mouse. 2. The man then takes the mouse across and returns with the cat. 3. The man leaves the cat on the shore and takes the dog across. He leaves the dog with the mouse. 4. The man goes back to get the cat and all of the animals have made it across the river!