Mind Teasers : Hard Maths Brain Teasers Rebus

Difficulty Popularity

Identify the hidden meaning in the mathematical rebus below

category : MATHS | REBUS

Suggestions

Mind Teasers : Tricky Glass Riddle

Difficulty Popularity

Six identical glasses are in a row.
The first three glasses are filled with juice, and the last three glasses are empty.
By moving only one glass, can you arrange them so that the full and the empty glasses are alternate?
category : LOGIC

Mind Teasers : Hardest Chess Problem

Difficulty Popularity

This is a classic chess puzzle and considered to be one of the hardest puzzles in history.
As shown in the picture below, White army is arranged in a classic chess board. You need to add black army i.e
1 king
1 queen
2 rooks
2 bishops
2 knights
8 pawns
in such a way that not a single piece of either color is under attack.

category : PICTURE

Mind Teasers : 8 Toothpicks Brain Teaser

Difficulty Popularity

Can you form eight squares of three different sizes by moving only two toothpick?

category : PICTURE

Mind Teasers : The Hundred Number Puzzle

Difficulty Popularity

We can create number 100 by using all numbers, i.e.0123456789 and mathematical operators (+/-) in many ways.
Example
98 + 7 + 6 - 5 - 4 - 3 + 2 - 1 = 100

But if we add a condition that the use of the number 21 is the must. Then there are only a few solutions.

One of such solution is:
98 - 7 - 6 - 5 - 4 + 3 + 21 = 100

Can you tell any other solution?
category : SERIES | MATHS

Mind Teasers : Tricky Adam Eve Puzzle

Difficulty Popularity

Stephen died of heart attack. His soul was received in heaven. He was astonished to find himself as young as he had been in his young adult age. He looked around and there were thousands of young and naked people. His eyes searched to find someone familiar and suddenly he noticed Adam and Eve.

How did Stephen recognize them?

Mind Teasers : Break Chocolate Bar Logic Puzzle

Difficulty Popularity

You have a rock solid dark chocolate bar of size 2 x 8. You need to break it and get 1 x 1 pieces of that chocolate.

If you can break that bar only along its length or breadth, how many times will you have to break to get the 1 x 1 pieces?
category : LOGIC | TRICK

Mind Teasers : Infosys Logic Brain Teaser

Difficulty Popularity

Imagine a picture in your mind. There is a rose plant. A few roses have grown up in the plant. There are a few bees hovering over them.

Now read the given statements carefully:
1) If every one of the bees lands on a rose, one of them won't get a rose.
2) If two bees share rise together, then there will be one rose left without any bee.

Can you find out the number of roses on the plant and the number of bees?
category : LOGIC | MATHS

Mind Teasers : Popular Logic Brain Teaser

Difficulty Popularity

A girl liked to collect money in a piggy bank. She bought pink colored piggy bank when she was 10 years old. She put $250 in the box on each of her birthday. Her younger sister took $50 out of her piggy bank on her birthday. The girl died when she was 50 years old due to an incurable disease.

When the piggy bank was opened, it had just $500. How can that be possible?
category : LOGIC | MATHS

Mind Teasers : Maths Logical Problem

Difficulty Popularity

The digits 0-9(0,1,2,3,4,5,6,7,8,9) can be rearranged into 3628800 distinct 10 digits numbers.

How many of these numbers are prime ?

Mind Teasers : Hard Logic Brain Teaser

Difficulty Popularity

There are 100 doors. 100 strangers have been gathered in the adjacent room. The first one goes and opens every door. The second one goes and shuts down all the even numbered doors – second, fourth, sixth... and so on. The third one goes and reverses the current position of every third door (third, sixth, ninth… and so on.) i.e. if the door is open, he shuts it and if the door is shut, he switches opens it. All the 100 strangers progresses in the similar fashion.

After the last person has done what he wanted, which doors will be left open and which ones will be shut at the end?
category : LOGIC

Submit your Email Address to get latest post directly to your inbox.

Latest Puzzles

23 February
Minimum Move Chess Game Video Riddle

Can you figure out the minimum number of...

22 February
A numeric lock has 3 digit key Riddle

A numeric lock has 3 digit code with the...

21 February
What's wrong in the kitchen picture

What appears to be wrong in the kitchen ...

20 February
Who Is the Mother Picture Riddle

Can you find the mother of the baby in t...

19 February
Lighter Than Air Riddle

I'm lighter than air but a thousand men ...

18 February
3 Tigers 3 Sheep Riddle

If 3 tigers catch 3 sheep in 3 minutes. ...

17 February
Cow Rebus

Decode the below cow rebus....

Puzzles Tags :

Illusions Tags :