Mind Teasers : Difficult number sequence

Difficulty Popularity

What number would replace the question mark in this quite difficult number sequence ?

21 32 54 87 131 ?
category : SERIES

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Mind Teasers : Tricky Probabilty Problem To Solve

Difficulty Popularity

Aishwarya was first to board to her flight to delhi.
She forgot her seat number and picks a random seat for herself.
After this, every single person who get to the flight sits on his seat if its available else chooses any available seat at random.
Abhishek is last to enter the flight and at that moment 99/100 seats were occupied.

Whats the probability what Abhishek gets to sit in his own seat ?

Mind Teasers : Confusing Logical Question

Difficulty Popularity

Sweety have got some Pink and green sock in her drawer.
she had got total of 4 socks.
She pick 2 socks and chances that she get a pair of green socks is 1/2.

What is the chance of her picking a pair of Pink socks ?
category : LOGIC

Mind Teasers : Missing Year Number Series

Difficulty Popularity

Find the missing year in the series below?

1997 1999 ? 2011 2017 2027
category : SERIES | MATHS

Mind Teasers : Best Thinking Brain Teaser Ever

Difficulty Popularity

Three men are living in a desert namely – Alex, Brian and Chris.

Alex hates Chris and thus he decides to kill him. To succeed in his evil intentions, he poison the water supply of Chris. Since they are living in desert, he will have to drink water or he will die of thirst.

Brian is not aware of the actions of Alex and he plans to kill Chris as well. To do this, he killed the water supply of Chris.

Chris dies due to his thirst. Who killed him?

Mind Teasers : ( Q + U + I + C + K)^3 = QUICK

Difficulty Popularity

Can you solve the below algebraic equation?

( Q + U + I + C + K)^3 = QUICK

category : LOGIC

Mind Teasers : Shortest Who Am I

Difficulty Popularity

Who am I?

Mind Teasers : Math Number Riddle

Difficulty Popularity

A man wanted to get into his work building, but he had forgotten his code. However, he did remember five clues. These are what those clues were:

The fifth number plus the third number equals fourteen.

The fourth number is one more than the second number.

The first number is one less than twice the second number.

The second number plus the third number equals ten.

The sum of all five numbers is 30.

What were the five numbers and in what order?
category : LOGIC | MATHS

Mind Teasers : Police Investigating Murder Riddle

Difficulty Popularity

A couple went to river rafting on a hill station. Two days after their departure, the husband returned alone. He informed the police that her wife was swept away by the waves and died.

On the next day, police arrived to his doorstep and when he opened the door, they arrested him for murdering his wife. They told him that his travel agent had called them.

He was shocked. How did the travel agent know about the murder? Can you suggest how did he know ?

Mind Teasers : Guess Game Logic Problem

Difficulty Popularity

In a guess game , five friends had to guess the exact numbers of balls in a box.
Friends guessed as 31 , 35, 39 , 49 , 37, but none of guess was right.The guesses were off by 1, 9, 5, 3, and 9 (in a random order).
Can you determine the number of balls in a box ?
category : LOGIC | MATHS

Mind Teasers : Best Picture Brain Teaser

Difficulty Popularity

Seeing the picture, can you identify in which direction is it going - left or right?

Keep in mind that the bus is moving in UK

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