• Views : 40k+
  • Sol Viewed : 10k+

Mind Teasers : Marble Riddle

Difficulty Popularity

If you were to put a marble into an empty bottle and then insert a cork into the neck, how could you remove the marble without taking out the cork or breaking the bottle ?

Discussion
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  • Views : 70k+
  • Sol Viewed : 20k+

Mind Teasers : Tricky Math Race Riddle

Difficulty Popularity

Rooney, Hernandez, and Robin race each other in a 100 meters race. All of them run at a constant speed throughout the race.

Rooney beats Hernandez by 20 meters.
Hernandez beats Robin by 20 meters.

How many meters does Rooney beat Robin by ?

  • Views : 80k+
  • Sol Viewed : 20k+

Mind Teasers : Hard Logical Puzzle

Difficulty Popularity

You are the ruler of a medieval empire and you are about to have a celebration tomorrow. The celebration is the most important party you have ever hosted. You've got 1000 bottles of wine you were planning to open for the celebration, but you find out that one of them is poisoned.

The poison exhibits no symptoms until death. Death occurs within ten to twenty hours after consuming even the minutest amount of poison.

You have over a thousand slaves at your disposal and just under 24 hours to determine which single bottle is poisoned.

You have a handful of prisoners about to be executed, and it would mar your celebration to have anyone else killed.

What is the smallest number of prisoners you must have to drink from the bottles to be absolutely sure to find the poisoned bottle within 24 hours?

  • Views : 80k+
  • Sol Viewed : 20k+

Mind Teasers : Math IQ Question

Difficulty Popularity

Adam is one of the finalist in an IQ championship. As the final test, he is provided with two hourglass. One of them can measure eleven minutes while the other one can measure thirteen minutes.
He is asked to measure exactly fifteen minutes using those two hourglasses. How will he do it ?

  • Views : 70k+
  • Sol Viewed : 20k+

Mind Teasers : Popular Dice Probability Riddle

Difficulty Popularity

You roll two six sided dices together.

Can you calculate the probability that the first dice gives the number 2 while the second dice gives the number 5?

  • Views : 70k+
  • Sol Viewed : 20k+

Mind Teasers : Most Popular Logical Puzzle

Difficulty Popularity

Outside a room there are three light switches. One of switch is connected to a light bulb inside the room.
Each of the three switches can be either 'ON' or 'OFF'.

You are allowed to set each switch the way you want it and then enter the room(note: you can enter the room only once)

Your task is to then determine which switch controls the bulb ??

  • Views : 70k+
  • Sol Viewed : 20k+

Mind Teasers : Cricket Teasers

Difficulty Popularity

If in a cricket one day match, there were no wide balls, no wides, no extras and no overthrows.

What is the maximum number of runs that a batsman can score in an ideal case scenario?

  • Views : 80k+
  • Sol Viewed : 20k+

Mind Teasers : Best Maths Brain Teaser

Difficulty Popularity

A competitive exam was held in which five students took part namely Billy, Gerry, Clark, Peeta and Jonathan. In this exam, they had to answer five questions each out of which, three had multiple choices as a, b or c and two were simple true and false questions. The five of them gave different answers to the questions and the details are as given below.

Name 1 2 3 4 5

Gerry c b True True False

Billy c c True True True

Clark a c False True True

Peeta b a True True False

Jonathan a b True False True

None of the two students gave the same number of correct answers. Can you find out the correct answers to the question? Also, calculate the individual score of all the five guys.

  • Views : 50k+
  • Sol Viewed : 20k+

Mind Teasers : Logical Maths Gold Bar Brain Teaser

Difficulty Popularity

A worker is to perform work for you for seven straight days. In return for his work, you will pay him 1/7th of a bar of gold per day. The worker requires a daily payment of 1/7th of the bar of gold. What and where are the fewest number of cuts to the bar of gold that will allow you to pay him 1/7th each day?

  • Views : 70k+
  • Sol Viewed : 20k+

Mind Teasers : Smart Math Logic Brain Teaser

Difficulty Popularity

You trade apples from a village to your town. The distance is 1000 miles. This time you were able to get your hands on 3000 apples. You have a truck that can carry just 1000 apples at one time. At every mile is located a check post at which you have to submit 1 apple while going to the town. However, when you travel from town to village, you don’t have to give anything.

How will you make sure that you are able to transport maximum amount of apples to the town?

By Admin
  • Views : 60k+
  • Sol Viewed : 20k+

Mind Teasers : The Elf Logical Puzzle

Difficulty Popularity

A wicked sorcerer felt enmity towards elf and thus he chooses four among the rest of the elf's and concealed them. The elves are concealed in the ground in a manner that apart from their head the rest of their body was underneath the ground. The elf's are unable to move their body and can only see in that direction that they are facing. All the elf's are concealed underground in such a way that they form a straight line and among those four elf's that are concealed underground one of the elf is detached form the other three elf's via wall. The entire elf's are in the same direction. The elf that is the furthest can only see the heads of its friends in front and a wall. The elf that is second last can only see one head of his friend and a wall. The second elf can only view the wall. The elf can see nothing.
The sorcerer understands the situation and tells the elf's that he has placed hats over their heads. Among the hats places two hat are blue and the other two are red. Among all the four elfs one of the elf has to guess that which colour hat is he wearing. If the elf answers correctly then he shall be set free or else he will have to dig beneath the ground till the very last.

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