Mind Teasers : The Classic Barrel Riddle

Difficulty Popularity

This is a classic barrel riddle.
You know the barrel is approximately half filled with oil but you are not sure how fill is the barrel is.

How can you check if its
1. Exactly Half filled
2. > Half Filled
3. < Half Filled.


category : LOGIC | SCIENCE

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Mind Teasers : Save Death Penalty Brain Teaser

Difficulty Popularity

A man committed a felony. As per the rules of the empire, the king decided to sentence him to death. However, he gave the man a choice; a choice to decide which way he wanted to die.

The man was quite smart and he said something, which saved him from his death. What do you think he must have said?
category : LOGIC | TRICK

Mind Teasers : Photo Riddle Brain Teaser

Difficulty Popularity

In the given picture, there is a fly in the wine glass depicted by the sticks. You have to remove the fly from the glass. You can move only two sticks. Also, you can’t touch the fly

category : LOGIC | PICTURE

Mind Teasers : Best Ramanujan Birthday Riddle

Difficulty Popularity

Today is Ramanujan birthday.
A year Ago on his birthday, he had five candles and he lit all except the last one.
Today he is going to light all the candles.

How old is Ramanujan Today?

Note: He is not turning five today.



category : LOGIC | MATHS

Mind Teasers : Lateral Thinking Problem

Difficulty Popularity

Suppose there is a Christmas tree and four angels are sitting on it amidst the other ornaments. Two of them have black halos and two of them have white halos. No body among them can see above their head. Angel A is sitting on the top branch and can see angels B and C sitting below him. B can see C who is sitting in a branch lower than his. Angel D is at the base of the tree and can't be seen due to the branches in between. Also, he can't see anybody as well.

If they are asked to guess the color of their own halo (they dont know that), who do you think will be able to deduce and speak up first with a right answer?
category : LOGIC

Mind Teasers : Maths Cube Riddle

Difficulty Popularity

You have two cubes with plane faces. You have to mark both the cubes with numbers in a manner that all the days of a month can be portrayed using those cubes. Also, note that you have to use both the cubes for displaying any date. Suppose if you have to display the 5th day of the month, you will have to display it as 05.

Can you do it?
category : LOGIC

Mind Teasers : Infoedge Interview Aptitude Problem

Difficulty Popularity

On a magical-intellectual land of gpuzzles , all the animal are rational(real smart).

There are six leopards and one sheep.
Leopard can eat sheep but since as the land is magical, the leopards who eats the sheep , turns into sheep and then can be eaten by the remaining leopard(s).

If we leave them for some time then how many sheep and leopard will be there , when we come back ?

Mind Teasers : Logic Question In Maths

Difficulty Popularity

Two trains under a controlled experiment begin at a speed of 100 mph in the opposite direction in a tunnel. A supersonic bee is left in the tunnel which can fly at a speed of 1000 mph. The tunnel is 200 miles long. When the trains start running on a constant speed of 100 mph, the supersonic bee starts flying from one train towards the other. As soon as the bee reaches the second train, it starts flying back towards the first train.

If the bee keeps flying to and fro in the tunnel till the trains collide, how much distance will it have covered in total?

Mind Teasers : Murder Mystery Puzzle

Difficulty Popularity

One evening there was a murder in the home of married couple, their son and daughter. One of these four people murdered one of the others. One of the members of the family witnessed the crime.

The other one helped the murderer.

These are the things we know for sure:

1. The witness and the one who helped the murderer were not of the same sex.

2. The oldest person and the witness were not of the same sex.

3. The youngest person and the victim were not of the same sex.

4. The one who helped the murderer was older than the victim.

5. The father was the oldest member of the family.

6. The murderer was not the youngest member of the family.

Who was the murderer?

category : LOGIC | MYSTERY

Mind Teasers : Knockout Matches Logical Problem

Difficulty Popularity

Let us say that a table tennis tournament was going on with knock out terms which means the one who loses the match is out of the tournament. 100 players took part in that tournament.

How many matches were played?

Mind Teasers : Trick Gift Brain Teaser

Difficulty Popularity

Cindy opened twenty five presents.
Duke opened five presents.
John opened fifteen presents.

Judging by the statements, can you decipher how many presents will be opened by Rhea?
category : LOGIC | TRICK

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