You are about to be executed, but the king gives you a chance. He says that he will divide 100 marbles in half. 50 of them are black and 50 are white. You can arrange them however you like into two bowls, but you must use all the marbles. The king will then blindfold you and switch them around. Then you choose a single marble from whichever bowl you put your hand randomly in. If you choose a white marble you can live, but if you choose a black one you die. How do you divide the marbles so there is a 50-50 chance you will live? -Riddles

1 Answer

Answer :

You need to put one white marble in one of the bowls. Then the remaining 49 go with the 50 black marbles. Then you will have a good chance of living.

Related questions

Description : A king decided to let a prisoner try to escape the prison with his life. The king placed 2 marbles in a jar that was glued to a table. One of the marbles was supposed to be black, and one was ... and that the prisoner was mute so he could not say anything, how did he escape with his life? -Riddles

Last Answer : The prisoner grabbed one of the marbles from the jar and concealed it in his hand. He then swallowed it, and picked up the other marble and showed everyone. The marble was black, and since the other marble was swallowed, it was assumed to be the blue one. So the mean king had to set him free

Description : A sharpshooter hung up his hat and put on a blindfold. He then walked 100 yards, turned around, and shot a bullet through his hat. The blindfold was a perfectly good one, completely blocking the man's vision. How did he manage this? -Riddles

Last Answer : He hung is hat on the barrel of his gun.

Description : There are 55 marbles and 100 bags. You need to put every marble in a way that the 1st bag has 1 marbles, the 2nd bag has 2 marbles and so on. How many bags will you need to use 55 marbles? -Riddles

Last Answer : 55 bags. Put a marble in the first bag then the bag goes in the second bag with 1 marble, making the second have 2 marbles. Repeat this until use 55 marbles, in total,the 55th bag has 55 marbles.

Description : There is an island with exactly 201 residents, 100 with blue eyes, 100 with brown eyes, and the island leader (who has green eyes). To leave the island, one must know their own eye color. There ... How many people leave the island and in how many days after the announcement? Notes: this is -Riddles

Last Answer : All 100 blue eyed people in 100 days. EXPLANATION: imagine there is only 1 person on the island, he will look around and see that there are no blue eyed people, he will then know his eye color in ... is needed to know their own eye color. if you would like more info, search '100 blue eyes riddle

Description : You are given a set of scales and 12 marbles. The scales are of the old balance variety. That is, a small dish hangs from each end of a rod that is balanced in the middle. The device enables ... than the others. You are asked to both identify it and determine whether it is heavy or light -Riddles

Last Answer : Most people seem to think that the thing to do is weight six coins against six coins, but if you think about it, this would yield you no information concerning the whereabouts of the only different coin. ... . The heavier one is the different coin. If they balance, then 2 is a different light coin.

Description : You and nine other individuals have been captured by super intelligent alien overlords. The aliens think humans look quite tasty, but their civilization forbids eating highly logical and cooperative beings. ... , each of you must guess the color of your hat starting with the perso -Riddles

Last Answer : Let's see how it would play out if the hats were distributed like this. The tallest captive sees three black hats in front of him, so he says 'black,' telling everyone else he sees an odd ... go. It looks like these aliens will have to go hungry, or find some less logical organisms to abduct.

Description : One morning a man is leaving on business trip and finds he left some paperwork at his office. He runs into his office to get it and the night watchman stops him and says, 'Sir, don't get on the ... for saving his life and then fires him. Why did he fire the watchman that saved his life? -Riddles

Last Answer : He was fired for sleeping on the job!

Description : In 1209, on a hot summer day there was a man who was ordered to be executed by king. The king was a nice king though, and he said that if the man could prove himself wise, he would let him ... The king opened a window, and the man immediately knew which was the real flower. How did he know? -Riddles

Last Answer : When the King opened the window, a bee flew in and landed on the only real flower to gather pollen.

Description : How do you find the probability of 4 blue marbles 5 red marbles 1 green marble and 2 black marbles?

Last Answer : It depends what probability exactly you want to find.probability = number of successful ways / total number of waysIf the problem is:You have a bag containing 4 blue, 5 red, 1 green, 2 black marble what is the probability of ... 2 black)= 16/144 + 25/144 + 1/144 + 4/144 = 46/144 = 23/72And so on.

Description : There are 20 marbles in a box which are marked with distinct numbers from 1 to 20. If a marble is drawn, then find the probability that the marble bei

Last Answer : There are 20 marbles in a box which are marked with distinct numbers from 1 to 20. If a marble is drawn, then find the ... `2//5` C. `1//5` D. `4//5`

Description : Out of 100 ladies attending the gala,85 had a white hand bag;75 had black shoes;60 carried an umbrella;90 wore a ring;How many ladies must have had all four items? -Riddles

Last Answer : 10 Divide by 3. All the ladies had three items. The remainder shows the number of ladies who had 4. 85 75 60 90 ______ 310 / 3 = 100 + 10 remainder

Description : Three doctors say Robert is their brother. However, Robert says he has no brother. Who's lying? -Riddles

Last Answer : No one. The doctors are all girls.

Description : what- A sign in the grocery store states:All items in aisle 1 r organic.You choose a banana from aisle 1 and you conclude that it must b organic. However the label on the banana says that its conventionally grown (not organic).Whats the error in logic?

Last Answer : The conditional statement was false.

Description : There is a door, on the side of the door that you are on, there is a skeletal army ready to trample you underneath their feet, on the other side is a city with a wall that will keep you safe. ... get one chance to guess. The doorkeeper says 'twenty one'. What do you say to get to safety? -Riddles

Last Answer : You would say 'nine' as, 21 is nine letters long. It's quite simple actually. Eight is five letters long hence 'five' and nine is four letters long hence the word 'four'.

Description : An officer wishing to arrange his men in a solid square found by his first arrangement that he had 39 men left over. He then started increasing the number of men on a side by one, but found that 50 additional men would be needed to complete a new square.How many men did the officer have? -Riddles

Last Answer : The officer had 1975 men. When he formed a square measuring 44 by 44, he had 39 men over. When he tried to form a square 45 x 45, he was 50 men short.

Description : In a box, there are 20 marbles. Each marble is marked with a distinct number from 1 to 20. Find the probability of drawing a marble from the box which

Last Answer : In a box, there are 20 marbles. Each marble is marked with a distinct number from 1 to 20. Find ... is marked with a number that is a perfect square.

Description : What are the least numbers of packs of yellow marbles and blue marbles a person would have to buy t ohave the same number of each color of marble?

Last Answer : That would depend on how many yellow and blue marbles are in apack. If yellow and blue marbles are sold separately and there arethe same number of marbles in a pack, buy one of each. That'sprobably not the case.

Description : A salesman sold a parrot to a man. The salesman said, 'This parrot will repeat every single word it hears.' The man bought the parrot, but he found it would not speak a single word. What the salesman said was absolutly true, however. How is this possible? -Riddles

Last Answer : The parrot was deaf.

Description : Two women sit staring and glaring at each other across a small table. Although the two women don't appear to be friendly toward each other, they do eventually hold each other's hands. A man approaches, puts ... is the word the man shouts to the women, and what in the world is going on here? -Riddles

Last Answer : The word the man shouts to the women is, 'Go!' This is the way most women's arm wrestling competitions start, and hopefully the wrist straps, to keep their hands from slipping apart, won't have to be used.

Description : bassam has some marbles. one third of them are blue, one half of them are red, and the rest are green. If he has 7 green marbles, how many marbles does he have?

Last Answer : Because 1/3 are blue and 1/2 are red and the rest are green we can calculate that 1/6 of the marbles are green.1/3 = 2/61/2 = 3/62/6 + 3/6 = 5/6 which leaves 1/6 green.Since there are 7 green marbles we know there must be 7 x 6 total.The answer is 42 marbles.

Description : Two cars were involved in an accident in the center of town. The man who was driving a little green car, had overtaken a big black car. The driver had misjudged the distance between him and the on ... . However, the driver of the green car was not charged with manslaughter, why was this so? -Riddles

Last Answer : The black car was a hearse and was on its way to a funeral.

Description : In olden days you are a clever thief charged with treason against the king and sentenced to death. But the king decided to be a little lenient and lets you choose your own way to die. What way should you choose? -Riddles

Last Answer : Choose to die of old age.

Description : what- At a toy store, all marbles are the same price and all jacks are the same price.William buys 10 marbles and 12 jacks for $1.60. Katie buys 5 marbles and 20 jacks for $1.50. Which statement must be true?

Last Answer : Each marble costs 10 cents and each jack costs 5 cents.

Description : Near a castle without a moat, a well-known queen was captured and held hostage by a dark and powerful enemy force. Several of her loyal servants tried to break through enemy lines to free her ... this well-known queen and the lowly servant who performed the greatest sacrifice to save her? -Riddles

Last Answer : The queen was the white queen, and the servant who was sacrificed was a white pawn who had reached the back row of the black chess pieces—and was subsequently promoted/exchanged for the captured white queen.

Description : What is the longest and yet the shortest thing in the world; the swiftest and yet the slowest; the most divisible and the most extended; the least valued and the most regretted; without which ... every thing, however small, and yet gives life and spirits to every object, however great? -Riddles

Last Answer : Time.

Description : a guy gets to choose how to die he has 3 choices, one to get put in the electric chair, two to get hung, and three to get throne in a lion pit of lions that had not eaten in one thousand years.Which did he choose? -Riddles

Last Answer : the lion pit because they had not eaten in one thousand years so they were all ready dead.

Description : A detachment of soldiers must cross a river. The bridge is broken, the river is deep. What to do?Suddenly the officer in charge spots two boys playing in a row boat by the shore. The boat is so ... two boys or one soldier.Still all the soldiers make it across the river in the boat. How? -Riddles

Last Answer : First the boys cross the river and 1 boy comes back and gets a soldier and keeps going back until all the soldiers have made it across safetly.

Description : A serial killer kidnapped people and made them take 1 of 2 pills: one was harmless, and the other was poisonous. Whichever pill a victim took, the serial killer took the other one. The victim ... with water and died. The killer survived. How did the killer always get the harmless pill? -Riddles

Last Answer : Both of the pills were harmless. The poison was in the glass of water the victim drank.

Description : A man says I can guess the score of a football game before it starts he gives a guess and he is right. How? -Riddles

Last Answer : The score is always 0-0 before the game starts.

Description : I forgot the last digit of a 7-digit telephone number. If I randomly dial the final 3 digits after correctly dialing the first four, then what is the chance of dialing the correct number? a) 1/1001 b) 1/1000 c) 1/999 d) 1/990

Last Answer : b) 1/1000

Description : Parents are followers of the hypocrite Pir , what should a child do ? My father died ten years ago and he used to pray five times , but at home. And both father and mother were disciples of Atarshi. ... the answer to this question ? Since I don't know much about Atarshi Pir. Obliged by the answer.

Last Answer : All Haqqani Ulama Mashayikh agree that the said Pir was a hypocrite . Originally, the man was just a metric pass. (See! Atarshir Darbar Atarshir Kafela , page-13 , date of publication , January 1974. ... pray for you , may Allah accept you as a great scholar. May Allah guide your mother. Amen.

Description : The design flood commonly adopted in India for barrages and minor dams is (a) Probable maximum flood (b) A flood of 50 – 100 years return period (c) Peak flood (d) Standard project flood or a 100-year flood, whichever is higher

Last Answer : (d) Standard project flood or a 100-year flood, whichever is higher

Description : What is the validity of Provisional competency certificate? (i) Valid for executing 50 joints or six months whichever is earlier. (ii) Valid for executing 100 joints or six months whichever is earlier.* (iii) Valid for executing 50 joints. (iv) Valid for six months

Last Answer : (ii) Valid for executing 100 joints or six months whichever is earlier.*

Description : You have seven pens and nine pigs. You must arrange the pens so that each pen has an even number of pigs. Zero is not allowed, nor will it work. How do you do this? -Riddles

Last Answer : Stack the pens.

Description : A man goes into a hardware store. He asks the clerk 'How much is 6?' Which the clerk responds with '6 is $0.50.' 'How much is 60?' The man asks. '$1.00.' Answers the clerk. 'Okay, I will take ... . 'That will be $1.50, please!' Says the clerk. The man pays and leaves. What did the man buy? -Riddles

Last Answer : He bought house numbers! Each number is $0.50!

Description : Mr. Grumper grumbles about bad time-keeping trains like everybody else. On one particular morning he was justified, though. The train left on time for the one hour journey and it arrived 5 minutes late. ... did on the morning journey, was the station clock fast or slow, and by how much? -Riddles

Last Answer : The station clock is 3 minutes fast. The morning journey took 65 minutes, and the evening journey therefore took 52 minutes, and the train arrived 57 minutes after it should have left, that is, 3 minutes early.

Description : A young girl, Violet by name, was visiting with a group of her schoolmates at a friend's house. The air was filled with the noise of loud conversations, when an older woman called out for ... and shouting increased around her. Finally, Violet's hand bumped into something which, when the da -Riddles

Last Answer : Violet was at a birthday party, and was selected to be first in the Pin the Tail on the Donkey game they were playing. She was successful in pinning the tail just where it belonged. The body part of the animal was, of course, the donkey’s tail.

Description : Marble walls as white as milk, lined with skin as soft as silk, in a fountain crystal clear, a golden apple will appear, there is no key to this stronghold, yet theives break in and steal the gold. What is it? -Riddles

Last Answer : An egg.

Description : A purveyor of baked goods is approached by a man with a very low I.Q. who wants to buy some of the baker's creations; however, the man with the low I.Q. has no credit or debit cards, no ... denied any of the seller's goods. Who is this dolt who is trying to get something for nothing? -Riddles

Last Answer : Simple Simon met a pieman going to the fair. Says Simple Simon to the pieman, 'Let me taste your ware.' Says the pieman to Simple Simon, 'Show me first your penny.' Says Simple Simon to the pieman, 'Indeed, I have not any.

Description : Teddy have marbles that are less than 60 marbles but more than 40 marbles.He shared them equally between 3 pots and their were no remainders when he shares it in 4 pots he has 3 remainders and when he shares them with 5 pots he have a remainder of 1?

Last Answer : how many does Teddy have

Description : A man was found dead in his study. He was slumped over his desk and a gun was in his hand. There was a cassette recorder on his desk. When the police entered the room and pressed the play ... . How did the detective immediately know that the man had been murdered and it wasn't a suicide? -Riddles

Last Answer : The cassette had started at the beginning of the man's utterance. Someone else had to be there to rewind the tape.