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Mind Teasers : Maths IES Brain Teaser

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A thief is running after stealing two gold bars from an ancient and sacred temple. The villagers see him running and runs after him. While running, he comes across a rope bridge. There is a warning board on the start of the bridge stating that the rope can only accommodate a weight of 130 pounds.

Now the thief weighs 100 pounds and the gold bars weigh 20 pounds each. But ignoring the warning he just crosses the bridge with both gold bars. He manages to cross safely. How?

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Mind Teasers : Quick Thinking Maths Problem

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A petri dish kept in a lab has a colony of healthy bacteria. Every bacterium divides itself into two in exactly two minutes. Now the colony started with a single cell at 2 pm. If the petri dish was exactly half full of bacteria at 3 pm, when will the dish become full of bacteria?

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Mind Teasers : Crossing The River In Minimum Time Puzzle

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Four people need to cross a dark river at night.

* They have only one torch and the river is too risky to cross without the torch.
* If all people cross simultaneously then torch light wont be sufficient.
* Speed of each person of crossing the river is different.cross time for each person is 1 min, 2 minutes, 7 minutes and 10 minutes.

What is the shortest time needed for all four of them to cross the river ?

By Admin
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Mind Teasers : Hidden Bird In Snow Picture Riddle

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Can you find the hidden bird in the picture (winter time) below?

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Mind Teasers : Eight Eights Brain Teaser

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Using eight eights and addition only, can you make 1000?

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Mind Teasers : Logical Problem Riddle

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There is one apple tree near my home. In this apple trees, there are some apples.
But after a mild wind, there are neither apples on tree nor on ground.

Explain ?

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Mind Teasers : Birbal Brain Teaser

Difficulty Popularity

Birbal is a witty trader who trade of a mystical fruit grown far in north. He travels from one place to another with three sacks which can hold 30 fruits each. None of the sack can hold more than 30 fruits. On his way, he has to pass through thirty check points and at each check point, he has to give one fruit for each sack to the authorities.

How many mystical fruits remain after he goes through all the thirty check points?

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Mind Teasers : Smart Birbal Riddle

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Akbar called Birbal and asked him to draw a line on the floor. He asked Birbal to make that line smaller without erasing it. Birbal smiled and did it before Akbar could blink his eyes.

How did he managed to do it?

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Mind Teasers : Tough Number Problem Riddle

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

By Admin
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Mind Teasers : Popular Castle History Puzzle

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A square island comprised of a square castle. A 14m wide trench surrounded the island from everywhere. Roman Empire wanted to invade the castle and gain the loot as well as possession of the island. They brought along wooden planks to cross the trench. However, they realized that the planks were just 13m long.

How did they use those planks to invade as well as capture the island ?

By Admin
  • Views : 60k+
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Mind Teasers : Shortest Who Am I

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Who am I?

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