Four friends - A, B, C, and D - have different pets: a dog, a cat, a bird, and a fish. A does not have a dog. B has a pet that is not a bird. C has a pet that is not a fish. D has a dog. Who has the cat?
Two cars start from the same point and travel in opposite directions. Car A travels at 70 km/h and Car B at 50 km/h. How far apart will they be after 2 hours?