Mind Teasers : Hard Probability Problem

Difficulty Popularity

There is no electricity in your home. You have to wear socks. You trace the drawer and find out that there are four socks in your drawer. The socks can be either black or white. You take out two of the socks from the drawer. Now the probability that the two socks are black is 1/2.

Can you calculate the probability of taking out a pair of white socks from the drawer?

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Mind Teasers : Game Of Dice Brain Teaser

Difficulty Popularity

A unique solo game of dice is being played. Two dices are thrown in each turn and the scores are taken by multiplying the numbers obtained.

Now talking about a particular game, here are the facts:
1) The score for the second roll is five more than the score for the first roll.
2) The score for the third roll is six less than the score for the second roll.
3) The score for the fourth roll is eleven more than the score for the third roll.
4) The score for the fifth roll is eight less than the score for the fourth roll.

Reading the above facts, can you tell the score for each of the five throws?
category : LOGIC

Mind Teasers : Math Picture Brain Teaser

Difficulty Popularity

In the photo attached with this question, you have to place the numbers from 1 to 19 in the circles such that if we add up any side of the triangle, the sum is 17.

Mind Teasers : Tricky Logic Brain Teaser

Difficulty Popularity

Alan is an honest person who never speaks a lie. He thinks of a number among 1, 2 and 3. Now, you can ask him only one question and that too for which the answer that you will receive will be in the form of yes, no or don't know. But he will reply only truth fully.

What will you ask from his so that you can know the number he is thinking of?
category : LOGIC | TRICK

Mind Teasers : Tricky Maths Riddle

Difficulty Popularity

Hockey Stick and ball cost $50. If the Stick cost $49 more than the ball.

what is the cost of each ?

Mind Teasers : Situation Problem

Difficulty Popularity

On a windy rainy night , I was driving in my car.
When i reach the bus stand , i see three people waiting for the bus.

1. An old lady who needs an immediate medical attention
2. My Best Friend
3. Girl whom i love from childhood

My car is a two seater, so can you tell me , what i have done in this situation ?
category : LOGIC | SITUATION

Mind Teasers : Solve Magic Square Riddle

Difficulty Popularity

You have to place all the digits from 1 to 9 without repeating any number in a tic tac toe board. The condition is that the numbers should add up to 15 whether you add the numbers in each row, column or diagonally.

Can you do it?
category : LOGIC

Mind Teasers : Sherlock Holmes Anne Cipher Puzzle

Difficulty Popularity

Anne was found dead in the central park of London.
There are six suspects "hazard", "Costa", "Pedro", "Willian", "Terry" and "courtois".

Anne has written the murdered name in cipher on the floor as "dqvxf".

Police were unable to solve the mystery so they called Sherlock.
After a minute, Sherlock was able to decipher the cipher and ask the police to capture the murderer.

Who is the murderer?

category : MYSTERY

Mind Teasers : Awesome Clock Puzzle

Difficulty Popularity

Time 12:21 is a palindrome as it reads the same forwards or backwards.
Whats the Whats the shortest interval between two palindromic times ?

example => 11:11 and 12:21 has interval of 1 hr 10 minutes.
category : LOGIC

Mind Teasers : Akbar Birbal Puzzle

Difficulty Popularity

Akbar summoned Birbal out of anger. He told him that he will have to face death. He asked him to make a statement and if the statement is true he will be buried alive and if the statement is false, he will be thrown at lions. After hearing Birbal’s statement, Akbar could do nothing but smile. He gave him 5 gold bars and let him go.

What did Birbal say?

Mind Teasers : Tough Number Problem Riddle

Difficulty Popularity

Find smallest number that you can write using all the vowels(A,E,O,I,U) exactly once?
category : LOGIC | MATHS

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