4easyWhat pushes away objects, but pulls them in too, works exponentially fast, and is an invisible glue?Show AnswerLearn MoreShare
4challengingA girl has as many brothers as sisters, but each brother has only half as many brothers as sisters. How many brothers and sisters are in the family?Show AnswerLearn MoreLearn MoreShare
4challengingAn electric train is heading north. The wind is blowing from the south. Which direction does the smoke blow?Show AnswerLearn MoreShare
4challengingYou wake up naked and locked inside of a walk-in freezer. Brrrr! You only have so much time before you freeze and die. \n A steel pipe is sticking straight out of the floor. You look inside and see that the bottom is sealed, and sitting there at the bottom is the key to get out. \n Your wrist is too fat to fit inside the pipe. Tantalizing. Your killer must have mounted the pipe and then dropped the key inside as a joke. \n You look around the freezer to find anything else. All you find is a jar of salt and a glass pitcher of water that hasn't yet frozen. Markered on the pitcher of water are instructions: "dump this water on your head to turn into a cool popsicle"Show AnswerLearn MoreLearn MoreShare
4normalI am the greatest teacher out of them all, but alas in the end I kill my pupils.Show AnswerLearn MoreShare
4challengingOne hand behind, no foot beneath. Always has jaws, sometimes has teeth. Might lean left, might lean right. Poke through the eyes to make it bite. Though it bites, it never eats. Seldom near blankets, often near sheets.Show AnswerLearn MoreLearn MoreShare
4challengingI need to own up to something. I do love esoteric four-letter acronyms. If the second is idle, what is the first?Show AnswerLearn MoreShare
4easyWhen you cut me, you’ll get there faster, When I cut you, you’ll need a plaster. You say we are part of your eye, But speaking the truth, that’s a lie. What am I?Show AnswerLearn MoreLearn MoreShare
3normalWhat's the next number in this series? 1, 4, 5, 6, 7, 9, 11, 100.Show AnswerLearn MoreLearn MoreShare
3challengingI can bring tears to your eyes, resurrect the dead, make you smile, and reverse time. I form in an instant but last a lifetime. What am I?Show AnswerLearn MoreShare