• Views : 40k+
  • Sol Viewed : 10k+

Mind Teasers : Silly Maths Riddle

Difficulty Popularity

kareena, Saif, and a puppy start walking down a road.

They start at the same time, from the same point, in the same direction.

The saif walks at 5 miles/hour
kareena at 6 miles/hour.
The puppy runs from saif to kareena and back again with a constant speed of 10 miles/hour.

The puppy does not slow down on the turn.

How far does the puppy travel in 1 hour?

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

Mind Teasers : Situation Problem

Difficulty Popularity

On a windy rainy night , I was driving in my car.
When i reach the bus stand , i see three people waiting for the bus.

1. An old lady who needs an immediate medical attention
2. My Best Friend
3. Girl whom i love from childhood

My car is a two seater, so can you tell me , what i have done in this situation ?

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

Mind Teasers : Guard Door Riddle

Difficulty Popularity

You are in a strange place which is guarded by two guards.One of the guard always say truth while other always lies.You don't know the identity of the two.You can ask only one question to go out from there.
What should you ask?

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

Mind Teasers : Measuring Time Logic Puzzle

Difficulty Popularity

You are given with two ropes with variable width. However if we start burning both the ropes, they will burn at exactly same time i.e. an hour. The ropes are non-homogeneous in nature. You are asked to measure 45 minutes by using these two ropes.

How can you do it?

Please note that you can’t break the rope in half as it is being clearly stated that the ropes are non-homogeneous in nature.

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

Mind Teasers : Logic Question In Maths

Difficulty Popularity

Two trains under a controlled experiment begin at a speed of 100 mph in the opposite direction in a tunnel. A supersonic bee is left in the tunnel which can fly at a speed of 1000 mph. The tunnel is 200 miles long. When the trains start running on a constant speed of 100 mph, the supersonic bee starts flying from one train towards the other. As soon as the bee reaches the second train, it starts flying back towards the first train.

If the bee keeps flying to and fro in the tunnel till the trains collide, how much distance will it have covered in total?

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

Mind Teasers : Awesome Logic Problem

Difficulty Popularity

I went for an official tour in a big city where there are over 100 buildings.
Building-1 is named first building.
Building-2 is named second building.
Building-3 is named third building.

A visitors decides to walk through all the buildings, he finds all the buildings except building-62.
Visitor later founds that the local of the city have given it another name.

What is the name of the Building ?

  • 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 : Awesome Probability Logic Riddle

Difficulty Popularity

You need to divide 50 marbles(25-red and 25-blue) into two boxes such that the probability of picking red marble is maximized.

Following conditions need to hold true :
1. None of box is empty
2. All the marbles must be in one of two boxes.

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

Mind Teasers : Crossing The River In Minimum Time Puzzle

Difficulty Popularity

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 ?

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

Mind Teasers : Riddle For Smart People

Difficulty Popularity

A teacher is told that the principal of the school will be inspecting his class on the next day. Now, the teacher is worried for the impression that his class might cast on the principal since all the students are not intelligent. Also, the principal can ask questions from anywhere. However, he will have the power to choose any student for answering the question.

Now he wants that the principal must be impressed with the performance of his class. What will he do to maximize the final impression on the principal ?

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

Mind Teasers : Tricky Logic Brain Teaser

Difficulty Popularity

Alan is an honest person who never speaks a lie. He thinks of a number among 1, 2 and 3. Now, you can ask him only one question and that too for which the answer that you will receive will be in the form of yes, no or don't know. But he will reply only truth fully.

What will you ask from his so that you can know the number he is thinking of?

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