2 min read In a country in which people only want boys, every family continues to have children until they have a boy. […] Read article
2 min read You can go to a fast food restaurant to buy chicken nuggets in 6-pack, 9-pack or 20-packs. is there such […] Read article
2 min read Three coworkers would like to know their average salary. how can they do it, without disclosing their own salaries? Solution […] Read article
2 min read You are an oil mogul considering the purchase of drilling rights to an as yet unexplored tract of land. The […] Read article
2 min read Arrange the numbers 1 to 8 in the grid below such that adjacent numbers are not in adjacent boxes (horizontally, […] Read article
2 min read some of you may have easily solved the pill weighing problem posed here. If so, you are going to love […] Read article
3 min read Part I (you can’t use paper, you have to figure it out in your head) i have a black triangle, […] Read article
3 min read A man needs to go through a train tunnel. He starts through the tunnel and when he gets 1/4 the […] Read article
3 min read The warden meets with 23 new prisoners when they arrive. He tells them, “You may meet today and plan a […] Read article
3 min read Two MIT math grads bump into each other while shopping at Fry’s. They haven’t seen each other in over 20 […] Read article