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No car can stop instantaneously. How long does it take for the BrillCar to fully stop?

The participants in this Numbers Bunchers puzzle tell you what their products arenâ€™t divisible by. How can you distribute all the numbers?

The inequality between arithmetic and geometric means allows us to find bounds for sums and products. What can't the four ages sum up to?

In this jigsaw map puzzle, the clues determine the locations of three of the pieces. Where can we place the fourth piece?

Different bulb combinations produce different amounts of light. Which circuit will shine brighter?

To calculate the probability of an event, we count the number of ways the event could occur. Who is more likely to win?

This cryptogram is the cat's MEOW; will it make you say WOW?

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