rookie1ja

Hexagons - Back to the Picture & Rebus Puzzles Find a looped path through the diagram subject to the following constraints. The path proceeds from one hexagon to an adjacent hexagon through the center of each hexagon, passes through no hexagon more than once, does not go through any numbered hexagon, and never makes a acute angle turn (i.e., a turn at a 60o angle). Each number indicates how many of the adjacent hexagons are part of the path. This old topic is locked since it was answered many times. You can check solution in the Spoiler below. Pls visit New Puzzles section to see always fresh brain teasers.

She-goat, Wolf and Cabbage - Back to the River Crossing Puzzles A farmer returns from the market, where he bought a she-goat, a cabbage and a wolf (what a crazy market :-). On the way home he must cross a river. His boat is small and won’t fit more than one of his purchases. He cannot leave the she-goat alone with the cabbage (because the she-goat would eat it), nor he can leave the she-goat alone with the wolf (because the she-goat would be eaten). How can the farmer get everything on the other side? This old topic is locked since it was answered many times. You can check solution in the Spoiler below. Pls visit New Puzzles section to see always fresh brain teasers.

Cannibals and Missionaries - Back to the River Crossing Puzzles Three missionaries and three cannibals want to get to the other side of a river. There is a small boat, which can fit only two. To prevent a tragedy, there can never be more cannibals than missionaries together. This old topic is locked since it was answered many times. You can check solution in the Spoiler below. Pls visit New Puzzles section to see always fresh brain teasers.

Family - Back to the River Crossing Puzzles Parents with two children - a son and a daughter - came to a wide river. There was no bridge there. The only way to get to the other side was to ask a fisherman if he could lend them his boat. However, the boat could carry only one adult or two children. How does the family get to the other side and return the boat to the fisherman? This old topic is locked since it was answered many times. You can check solution in the Spoiler below. Pls visit New Puzzles section to see always fresh brain teasers.

Humans and Monkeys - Back to the River Crossing Puzzles Three humans, one big monkey and two small monkeys are to cross a river: * Only humans and the big monkey can row the boat. * At all times, the number of humans on either side of the river must be greater or equal to the number of monkeys on that side. (Or else the humans will be eaten by the monkeys!) * The boat only has room for 2 (monkeys or humans). * Monkeys can jump out of the boat when it's banked. This old topic is locked since it was answered many times. You can check solution in the Spoiler below. Pls visit New Puzzles section to see always fresh brain teasers.

Darkness Phobia - Back to the River Crossing Puzzles One family wants to get through a tunnel. Dad can make it in 1 minute, mama in 2 minutes, son in 4 and daughter in 5 minutes. Unfortunately, not more than two persons can go through the narrow tunnel at one time, moving at the speed of the slower one. Can they all make it to the other side if they have a torch that lasts only 12 minutes and they are afraid of the dark? This old topic is locked since it was answered many times. You can check solution in the Spoiler below. Pls visit New Puzzles section to see always fresh brain teasers.

Condoms - Back to the River Crossing Puzzles WARNING!!! Contains adult content. DO NOT try this at home - it is only a puzzle. How to have safe sex without any after-effects with only two condoms. 1. One man with three women. 2. Two men with two women. 3. Three men with one woman. This old topic is locked since it was answered many times. You can check solution in the Spoiler below. Pls visit New Puzzles section to see always fresh brain teasers.

Flowers - Back to the River Crossing Puzzles How many flowers do I have if all of them are roses except two, all of them are tulips except two, and all of them are daisies except two? This old topic is locked since it was answered many times. You can check solution in the Spoiler below. Pls visit New Puzzles section to see always fresh brain teasers.

Subtraction - Back to the River Crossing Puzzles How many times can you subtract the number 2 from the number 32? This old topic is locked since it was answered many times. You can check solution in the Spoiler below. Pls visit New Puzzles section to see always fresh brain teasers.

Round vs. Square - Back to the River Crossing Puzzles Why is it better for manhole covers to be round rather than square? This old topic is locked since it was answered many times. You can check solution in the Spoiler below. Pls visit New Puzzles section to see always fresh brain teasers.

The Barbershop Puzzle - Back to the River Crossing Puzzles A traveler arrives in a small town and decides he wants to get a haircut. There are only two barbershops in town - one on East Street and one on West Street. The East Street barbershop is a mess, and the barber has the worst haircut the traveler has ever seen. The West Street barbershop is neat and clean, its barber's hair looks as good as a movie star's. Which barbershop does the traveler go to for his haircut, and why? This old topic is locked since it was answered many times. You can check solution in the Spoiler below. Pls visit New Puzzles section to see always fresh brain teasers.

Murder in the Desert - Back to the River Crossing Puzzles This is a story about three people (A, B a C) crossing a desert. A hated C and decided to kill him - he poisoned the water in his sack (only C had water). B also wanted to kill C (not knowing that the water of C had been already poisoned) and so B made a hole into the sack of C and the water spilt out. A few days later C died of thirst. Who was the murderer - A or B? This old topic is locked since it was answered many times. You can check solution in the Spoiler below. Pls visit New Puzzles section to see always fresh brain teasers.

The Elder Twin - Back to the River Crossing Puzzles One day Kerry celebrated her birthday. Two days later her older twin brother, Terry, celebrated his birthday. How come? This puzzle was submitted to Games Magazine's 'How Come' competition in 1992 by Judy Dean. It won. This old topic is locked since it was answered many times. You can check solution in the Spoiler below. Pls visit New Puzzles section to see always fresh brain teasers.

Easy Deduction - Back to the Number Puzzles A teacher thinks of two consecutive numbers between 1 and 10 (1 and 10 included). The first student knows one number and the second student knows the second number. The following exchange takes place: First: I do not know your number. Second: Neither do I know your number. First: Now I know. What are the 4 solutions of this easy number puzzle? This old topic is locked since it was answered many times. You can check solution in the Spoiler below. Pls visit New Puzzles section to see always fresh brain teasers.

Complex Deduction - Back to the Number Puzzles This is definitely one of the harder number puzzles on this site. A teacher says: I'm thinking of two natural numbers greater than 1. Try to guess what they are. The first student knows their product and the other one knows their sum. First: I do not know the sum. Second: I knew that. The sum is less than 14. First: I knew that. However, now I know the numbers. Second: And so do I. What were the numbers? This old topic is locked since it was answered many times. You can check solution in the Spoiler below. Pls visit New Puzzles section to see always fresh brain teasers.

Children - Back to the Number Puzzles An easier number puzzle is as follows. Two friends are chatting: - Peter, how old are your children? - Well Thomas, there are three of them and the product of their ages is 36. - That is not enough ... - The sum of their ages is exactly the number of beers we have drunk today. - That is still not enough. - OK, the last thing is that my oldest child wears a red hat. How old were each of Peter's children? This old topic is locked since it was answered many times. You can check solution in the Spoiler below. Pls visit New Puzzles section to see always fresh brain teasers.

Birthday - Back to the Number Puzzles The day before yesterday I was 25 and the next year I will be 28. This is true only one day in a year. What day is my birthday? This old topic is locked since it was answered many times. You can check solution in the Spoiler below. Pls visit New Puzzles section to see always fresh brain teasers.

Symbol - Back to the Number Puzzles What mathematical symbol can be placed between 5 and 9, to get a number greater than 5 and smaller than 9? This old topic is locked since it was answered many times. You can check solution in the Spoiler below. Pls visit New Puzzles section to see always fresh brain teasers.

Fraction - Back to the Number Puzzles Can you arrange 9 numerals - 1, 2, 3, 4, 5, 6, 7, 8 and 9 - (using each numeral just once) above and below a division line, to create a fraction equaling to 1/3 (one third)? This old topic is locked since it was answered many times. You can check solution in the Spoiler below. Pls visit New Puzzles section to see always fresh brain teasers.

5-digit Number - Back to the Number Puzzles What 5-digit number has the following property? If we put numeral 1 in front of the number, we get a number three times smaller, than if we put the numeral 1 behind this number. This old topic is locked since it was answered many times. You can check solution in the Spoiler below. Pls visit New Puzzles section to see always fresh brain teasers.

9-digit Number - Back to the Number Puzzles Find a 9-digit number, which you will gradually round off starting with units, then tenth, hundred etc., until you get to the last numeral, which you do not round off. The rounding alternates (up, down, up ...). After rounding off 8 times, the final number is 500000000. The original number is commensurable by 6 and 7, all the numbers from 1 to 9 are used, and after rounding four times the sum of the not rounded numerals equals 24. This old topic is locked since it was answered many times. You can check solution in the Spoiler below. Pls visit New Puzzles section to see always fresh brain teasers.

10-digit Number - Back to the Number Puzzles * Find a 10-digit number, where the first figure defines the count of zeros in this number, the second figure the count of numeral 1 in this number etc. At the end the tenth numeral character expresses the count of the numeral 9 in this number. * Find a 10-digit number, where the first numeral character expresses the count of numeral 1 in this number, ..., the tenth numeral the count of zeros in this number. This old topic is locked since it was answered many times. You can check solution in the Spoiler below. Pls visit New Puzzles section to see always fresh brain teasers.

Cipher - Back to the Number Puzzles Find the number if: 1. The cipher is made of 6 different numerals. 2. Even and odd digits alternate, including zero (in this case as an even number). 3. The difference between two adjacent numerals is always greater than one (in absolute value). 4. The first two numerals (as one number) as well as the two middle numerals (as one number) are a multiple of the last two numerals (as one number). What is the cipher? There is more than 1 solution. This old topic is locked since it was answered many times. You can check solution in the Spoiler below. Pls visit New Puzzles section to see always fresh brain teasers.

The Number Puzzle - Back to the Number Puzzles The grid below is to be filled with six numbers (3 vertical and 3 horizontal) from the given list. You can use each number more than once. After completing the number puzzle sum up all digits in the grid. This is defined as the score. What is the maximum possible score? the grid and available numbers Example: Using the numbers 40067 04802 78215 twice The score is 73 (of course other solutions with higher scores are possible). This old topic is locked since it was answered many times. You can check solution in the Spoiler below. Pls visit New Puzzles section to see always fresh brain teasers.

Master Mind - Back to the Number Puzzles Find the four-digit number designated by asterisks, given the following: * All four digits of the unknown number are different. * None of the digits is zero. * Each “0” on the right of each four-digit number below indicates that the number has a matching digit in a non-matching position with the unknown number. * Each “+” on the right of each four-digit number below indicates that the number has a matching digit in a matching position with the unknown number. 6152 +0 4182 00 5314 00 5789 + ------------- **** This old topic is locked since it was answered many times. You can check solution in the Spoiler below. Pls visit New Puzzles section to see always fresh brain teasers.