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 5 Sand Timer Puzzle You have two sand timers with you. One can measure 7 minutes and the other sand timer can measure 11 minutes. This means that it takes 7 minutes for the sand timer to completely empty the sand from one ... Submitted by Rohit Gurjar Doable 5.0 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 6 What Number Is It? So there are two students, that play a game with their teacher. They have 10 cards, each card is numbered 1,2,3,...,9,10. And then their teacher gives them two cards that is consecutive. For example, o ... Submitted by Rifqi Ardia Ramadhan Easy 2.7 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 3 100 kg bag of potatoes if you have a 100kg bag of potatoes, that are 99% water, they're left out in the sun and dry up a bit, so it's now 98% water, how heavy is the bag of potatoes? Submitted by chuck3r Doable 5.0 1 4 buttons and a light bulb There are two rooms, in one room there is a light bulb, and in the other there is a round table, with 4 buttons arragned in a square on it. Each button may be on or off, and the light bulb will be on o ... Submitted by TulkinRB Hard 8.0 2 Use your mobile In this puzzle I have given a message in a coded language. try to solve it. Message: 936382004221833200416381004381 Hint is in the title of this puzzle Submitted by Rohan Umesh Doable 6.0 1 interesting visual puzzle I've made this puzzle myself so I don't know if it's fair Hint: you might need a pencil and paper and look at the problem through a different perspective Submitted by soni Hard 10.0 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