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 5 Lab Rat on the Run Consider a lab rat in a maze. There are four paths that can be taken with equal probability. Path A leads to exit in 5 minutes. Path B leads back to start and takes 8 minutes. Path C leads to exit in 3 ... Submitted by Yiğit Oktar Doable 6.0 0 The Twiddled Bolts Two identical bolts are placed so that their helical grooves intermesh. If you move the bolts around each other as shown in the picture, would they a) move inward b) move outward c) remain the same d ... Submitted by Valentin Doable 6.0 3 Open Water A man is in a rowing boat floating on a lake, in the boat he has a brick. He throws the brick over the side of the boat so that it lands in the water. The brick sinks quickly. The question is, as a r ... Submitted by Valentin Doable 6.0 4 Cut the pizza into 11 equal slices with a wrist watch Tools: (1) A wrist watch and (2) a normal knife Goal: Slice a pizza into 11 equal pieces Submitted by MoralMachine Doable 6.0 1 Find these Hollywood movies based on the title styles Are you a movie buff ! Find these Hollywood movies based on the title styles !! Doable 6.0 2 What Am I? Give me food, and I will live Give me water, and I will die What am I? Submitted by Aakash Doable 6.0 5 Age of Three Kids One day, a guy from census come into a house. When he rings the bell, a lady comes out. He then asks how many people lives in her house, and their age. And then she says: I am 45 years old. I have thr ... Submitted by Rifqi Ardia Ramadhan Doable 6.0 3 Tooth Paste, : Profit There are 2 Persons, Who Saves Money. One person Bought a tooth Paste of 100 gms, for Rs. 40. The second person Buys, Two 50 gms for Rs. 20 each. at same shop, the same company of Pastes. No Extra past ... Submitted by Sachin Prabhu Doable 6.0 6 Find the Missing Number In this table, each row across follows the same pattern of numbers. See if you can discern the pattern and fill in the missing number in the bottom row. 7 4 8 3 9 7 6 5 10 ? ... Submitted by Ravi Doable 6.0 4 Cracking the Safe You are to open a safe without knowing the combination. Beginning with the dial set at zero, the dial must be turned counter-clockwise to the first combination number, (then clockwise back to zero), ... Submitted by Valentin Doable 6.0 1 Neat twist on hat problem! There are 100 people standing in a circle. Each person is given one hat to wear. A hat is either colored red or blue. A person cannot see his own hat color, but he can see the colors of the hats of all ... Submitted by Simon Doable 6.0 6 Salary Three coworkers would like to know their average salary. how can they do it, without disclosing their own salaries. Submitted by Aakash Doable 6.0 2 The Way Engineers Think A priest, a doctor, and an engineer were waiting one morning for a particularly slow group of golfers. Engineer: What’s with these guys? We must have been waiting for 15 minutes! Doctor: I don’t ... Submitted by Aakash Doable 6.0 14 Coin Flip On Monday, you flip a coin all day. You start flipping it until you see the pattern Head, Tail, Head. You record the number of flips required to reach this pattern, and start flipping again (and co ... Submitted by Aakash Doable 6.0 5 Cards With Crosses You have a stack of 23 cards. Each card has an image of a cross on one side, and an image of a circle on the other side. You know that 14 cards in the stack are laying with the cross up, and therefor ... Submitted by Valentin Doable 6.0