• Views : 50k+
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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?

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  • Views : 40k+
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Mind Teasers : 3 Gallon Brain Teaser

Difficulty Popularity

You have been given three jars of 3 liters, 5 liters and 8 liters capacity out of which the 8 liters jar is filled completely with water. Now you have to use these three jars to divide the water into two parts of 4 liters each.

How can you do it making the least amount of transfers?

  • Views : 70k+
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Mind Teasers : Maths Logical Riddle

Difficulty Popularity

Two mathematicians Steven and James were sitting face to face when Steven came up with an idea in mind. He scribbled something on the table and told James to read it. James said that it was wrong. Steven said it is absolutely right.

What would Steven have scribbled to make both of them correct?

  • Views : 40k+
  • Sol Viewed : 10k+

Mind Teasers : IAS Logical Question

Difficulty Popularity

An old man in the village feels that his end is near. He calls his two sons to discuss about the land he owns and other properties. He tells them to have a race on their horses till the city border. The one with the slower horse will be rewarded with the entire property.

Both of them keep wandering here or there without any result as no one is filling to reach the border. Then they visit the wise man of the village and seek his advice. The wise men tells them something listening to which they jump on the horses and race as fast as they can till the city border.

What did the wise man tell them?

  • Views : 50k+
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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?

By Admin
  • Views : 50k+
  • Sol Viewed : 20k+

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.



  • Views : 80k+
  • Sol Viewed : 20k+

Mind Teasers : Hard Logical Puzzle

Difficulty Popularity

You are the ruler of a medieval empire and you are about to have a celebration tomorrow. The celebration is the most important party you have ever hosted. You've got 1000 bottles of wine you were planning to open for the celebration, but you find out that one of them is poisoned.

The poison exhibits no symptoms until death. Death occurs within ten to twenty hours after consuming even the minutest amount of poison.

You have over a thousand slaves at your disposal and just under 24 hours to determine which single bottle is poisoned.

You have a handful of prisoners about to be executed, and it would mar your celebration to have anyone else killed.

What is the smallest number of prisoners you must have to drink from the bottles to be absolutely sure to find the poisoned bottle within 24 hours?

By Admin
  • Views : 60k+
  • Sol Viewed : 20k+

Mind Teasers : Missing Year Number Series

Difficulty Popularity

Find the missing year in the series below?

1997 1999 ? 2011 2017 2027

By Admin
  • Views : 80k+
  • Sol Viewed : 20k+

Mind Teasers : Spatial Trivia Physics Puzzle

Difficulty Popularity

As shown in picture, there are four gears with the following specification
* Gear A has 60 teeth
* Gear B has 40 teeth
* Gear C has 20 teeth
* Gear D has 60 teeth
* Every minute, Gear B makes 15 complete turns.

What is the relative speed of Gear A and Gear B?

  • Views : 60k+
  • Sol Viewed : 20k+

Mind Teasers : Clock Puzzle

Difficulty Popularity

The needles of a clock overlaps at 12:00 in a 12 hour format clock.

When will the two needles overlap again ?

By Admin
  • Views : 40k+
  • Sol Viewed : 10k+

Mind Teasers : Connect Nodes Puzzle

Difficulty Popularity

Can you connect the nodes between them based on the value of the node?

Note: Inside the first node there is a value of 1 which means that this node is connected to just one node

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