• Views : 30k+
  • Sol Viewed : 10k+

Mind Teasers : River Crossing Problem

Difficulty Popularity

A guard is positioned at the one side of bridge say 'A'.
* His task is to shoot all those who try to leave from 'A' to other side say 'B'.
* He also need to welcome the person who come from other side 'B' to his side 'A'.

The guard comes out of his post every 1 hour and looks down the bridge for any people trying to leave.
Monica a brilliant girl is at side 'A' and wish to go to other side 'B'. She also know's it would take her 1:45 hr to cross the river.

She comes with an super idea and able to cross the river.How did Monica cross the river ?

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

Mind Teasers : Scrooge McDuck Adventure Logic Puzzle

Difficulty Popularity

Scrooge McDuck plans to go to the Treasure Island.
It needed six days to reach there.
One person can carry food and water for just four days.

What is the fewest number of more people McDuck needed, to help him to carry enough food and water for this adventurous journey ?

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

Mind Teasers : Truth Or Lie Brain Teaser

Difficulty Popularity

Zoe and Joe are twin brothers. One of them is a falsifier however the other one always speaks truth. I asked one of the, “Does Zoe lie?” The person replied with a yes.

Whom did I talk with? Zoe or Joe?

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

Mind Teasers : Logical Marble Riddle

Difficulty Popularity

There is a box which have 33 yellow marbles and 35 green marbles. You also have 34 green marbles outside the box.

Randomly remove two marbles from the box.
* If they are of different colors, put the yellow one back in the box.
* If they are the same color, take them out and put a green marble back in the box.

Repeat this until only one marble remains in the box.


What is the color of the sole marble left in the box ?

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

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 ?

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

Mind Teasers : Smartest Phone Brain Teaser

Difficulty Popularity

Armed robbers invaded a bank. They were busy looting when suddenly a phone rang. The phone happened to be at the reception. One of the robber asked the receptionist to attend the call and talk without giving away the situation. The call happen to be from her mother. She spoke, 'Do you have any emergency mom? Can you give me a call when I get home, I could really use your help in buying new curtains?' Then she hangs up.

The robbers are busy when the police arrives suddenly along with the mother of the receptionist. How did she know about the robbery?

  • Views : 90k+
  • Sol Viewed : 30k+

Mind Teasers : Tough Two Jug Measuring Puzzle

Difficulty Popularity

I got two jugs of
A) 11 liter
B) 6 liter

How can I measure exactly 9 liters ?

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

Mind Teasers : Quick Thinking Maths Problem

Difficulty Popularity

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?

By Admin
  • Views : 70k+
  • Sol Viewed : 20k+

Mind Teasers : Relation Sorcery Riddle

Difficulty Popularity

The father of a driver's son is sitting with the son of the driver without the driver actually being in the car.

What sorcery is this?

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

Mind Teasers : Popular Logic Picture Grid Problem

Difficulty Popularity

We have 4 blue, 4 red, 4 green and 4 yellow hats. All the hats must be labelled with an arithmetic sign – ‘+’, ‘-‘, ‘x’ or ‘/’ in a manner that one sign is used on a particular color only once. Now these hats must be arranged in a 4x4 grid in a manner that no two rows or columns have a repeating color or sign.

To give you a kick start, we have arranged 4 hats in the grid. Can you place the rest of them ?

  • Views : 70k+
  • Sol Viewed : 20k+

Mind Teasers : Pirates Probability Brain Teaser

Difficulty Popularity

You are stuck with the pirates who might even kill you on board. They give you a chance to survive. There are hundred black rocks and hundred red rocks. There are two empty sacks which are labelled as heads and tails respectively. You have to divide the rocks in two bags as per your wish. Then a fair coin will be flipped. If its heads, you will have to pick a rock on random from the sack labelled heads and if its tails, you will pick up from the tails sack. If you pick up a black rock, you will be freed and if you pick up a red rock, you will be killed.

How will you distribute the rocks so that your chances of survival are the best?

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