We have compiled a list of classic puzzles/riddles/brain-teasers in month of April.

#51 - Easy Maths Age Puzzle

Difficulty Popularity

Adam spent 1/6 of his lifetime in adolescence. His facial hair started growing after 1/12 more of his life. He successfully married his girlfriend Diana after 1/7 more of his life. Their son was born after 5 years from then. The son lived just 1/2 of what Adam lived. Adam dies four years after his son died.

How long did Adam live ?
category : MATHS

#52 - Who Am I Mind Teaser

Difficulty Popularity

People eat me very fondly; they say I am delicious. However, if you remove the first letter from my name, I become a heinous criminal offense. Remove one more and I become a notorious animal. If you remove the first and the last, I become kind of a music that can make you groove.

I am a five-lettered word. Do you know who am I?

#53 - Distance Puzzle

Difficulty Popularity

In a village, there are four tribes located at different distances from each other. Tribe R is 60 miles away from Tribe P; Tribe S 40 miles away from Tribe B and Tribe R is 10 miles nearer to the Tribe S than it is to Tribe Q.

How far is the Tribe S located from the tribe P ?

#54 - Pattern Missing Number Picture Problem

Difficulty Popularity

A number is missing in the third figure. Can you analyze the pattern and find the missing number?

category : SERIES | PICTURE

#55 - Easy Measuring Puzzle

Difficulty Popularity

A recipe requires 15 minutes to cook. You have a 7 minutes hourglass and an 11 minutes hourglass with you. How will you measure 15 minutes using them?
category : LOGIC | MEASURE

#56 - Statement Killer Riddle

Difficulty Popularity

Xack 'The Knife,' the ill-famed tough guy, was found murdered on a particular night in a pathway behind the discotheque he frequently visited. The police brought in three suspects on the next morning. A detective was called who interrogated the three men and noted down the following statements given by the suspects.

Richard:
1. I did not kill Xack.
2. Morgan is not my friend.
3. I knew Xack.

Morgan:
1. I did not kill Xack.
2. Richard and Travis are friends of mine.
3. Richard did not kill Xack.

Travis:
1. I did not kill Xack.
2. Richard lied when he said that Morgan was not his friend.
3. I do not know who killed Xack.

One of them has actually killed Xack 'the knife'. Can you find out who is the killer?

#57 - Hard Logic Brain Teaser Question

Difficulty Popularity

There is an island where people are not allowed to communicate with each other. There are total 200 people out of which, 100 have green eyes while 100 have black eyes. But no one knows their own eyes color as there is no mirror available on the island. Also, they are not aware of how many people with n colored eyes are there. They don't even know that there are only two color set of eyes. But they can observe and analyze other people's eyes.

There is a catch to the things. It is a rule that if anybody is able to deduce the color of his own eyes and he is right, he will be free and can leave the island.

On a certain day, an outsider visits the island and tells the people that he has seen someone with green eyes. What will happen now?
category : LOGIC

#58 - Conditional Probability Brain Teaser

Difficulty Popularity

The students of a particular class were given two tests for evaluation. Twenty Five percent of the class cleared both the tests and forty five percent of the students were able to clear the first test.

You have to calculate the percentage of those students who passed the first test and were also able to pass the second test. How will you do it?

#59 - Funny Story Puzzle

Difficulty Popularity

Some time back, there was a bus conductor who was pretty rude with the passengers every day. On a fine morning, a beautiful young lady tried to board the bus. But the conductor did not stop the bus. The lady was run over by the bus and was killed right on the spot. The passengers became quite angry with the conductor and took him to the nearest police station. At the police station, the police looked after the case and decided to throw him in the court for trial. The judge was very angry with the conductor and sentenced him to death by electrocution.

The conductor was taken to the electrocution chamber. In that room, there was a chair in the center of the room. There was also a banana peel in one corner of the room. The conductor looked at it as he was strapped to the chair. Then, he was exposed to a high voltage current. But everyone was shocked as he survived it. Since it was impossible, the judge thought it was a miracle and allowed him freedom.

The bus conductor returned back to his profession. After a few months, a middle aged lady tried to board the bus. The conductor did not stop the bus and as a result, she was run over and died instantly. The passengers were agitated. They took him to the nearest police station. The police took him again to the court. In the court, the judge became very angry seeing him again. He sentenced him to death again.

He was again taken to the electrocution chamber, where a seat sat in the center of the room and a banana peel lied in one corner. The conductor looked at the banana peel while he was strapped to the chair. He was then exposed to a high voltage current. But he was able to survive yet again. Everyone was surprised and shocked again. He was granted freedom again by a surprised judge. Taking this as a lesson, the conductor decides to become a good person.

He returns back to his profession. After a few days, an old aged lady tries to board the bus. The conductor stops the bus for him but the lady slips while boarding and is killed by the injuries. The passengers take him back to the police who takes him to the court again. The judge after listening to the case knows that he is innocent in this particular case. But seeing his previous record, he sentences him to death.

He is again taken to the electrocution chamber with the same chair in the center and the same banana peel in one corner of the room. He is strapped to the chair and exposed to a high voltage current. Everyone is surprised as this time, the conductor is killed.

Why did he die this time while he survived the previous two times?

#60 - Maths Probability Brain Teaser For Adults

Difficulty Popularity

You have a pair of unbiased dices. You throw them together till you get a sum of 4 or 7.

What is the probability that you get a sum of 4 before the sum of 7?

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