• Views : 40k+
  • Sol Viewed : 10k+

Mind Teasers : Maths Pipe Time Brain Teaser

Difficulty Popularity

A large petrol tank has two inlet tubes (a large one and a small one) and one outlet tube. It takes 3 hours to fill the tank with the large inlet tube. On the other hand, it takes 6 hours to fill the tank with the small inlet tube. The outlet tube allows the full tank to be emptied in 9 hours.

What fraction of the tank (initially empty) will be filled in 0.64 hours if all three tubes are in operation? Give your answer to two decimal places (e.g., 0.25, 0.5, or 0.75).

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

Mind Teasers : Brain Teasing Statement Puzzle

Difficulty Popularity

The question is simple, you have to find out who did it? However the way to the solution might be tricky and confusing. Just remember that only one of the statement is true and rest three are false.

1. Ms. Rihanna: 'Ms. Britney did it.'
2. Ms. Britney: 'Ms. Rihanna did it.'
3. Ms. Gwyneth: 'Ms. Britney’s telling the truth.'
4. Ms. Yoon: 'Ms. Gwyneth’s not lying.'

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

Mind Teasers : what will come in place of the question mark

Difficulty Popularity

1 3 5
2 4 ?

Do you know what will come in place of ?

We must tell you that its not 6.

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

Mind Teasers : Hard Ten Boxes Interview Puzzle

Difficulty Popularity

You have ten boxes and an electronic weighing machine. In those ten boxes, you have chocolates. Each chocolate weigh 20 grams. But in one box the chocolates are defective and each weigh 19 grams exactly.

Now you can weigh in the electronic weighing machine but you can use that machine just once. How will you find out which box has the defected chocolates.

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

Mind Teasers : Trick Statement Puzzle

Difficulty Popularity

Can you find out if the following statement is true?

It does not matter how much older the sibling is, their younger one will eventually be half as old as the elder one.

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

Mind Teasers : Famous Send More Money Equation Puzzle

Difficulty Popularity

Below equation is one the most popular equation.Can you solve the below equation by replacing alphabet with a digit such that the equation holds as well?
    SEND
+ MORE
======
MONEY

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

Mind Teasers : Math Picture Brain Teaser

Difficulty Popularity

In the photo attached with this question, you have to place the numbers from 1 to 19 in the circles such that if we add up any side of the triangle, the sum is 17.

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

Mind Teasers : Sherlock Holmes Murderer Mystery Puzzle

Difficulty Popularity

There are five people. One of them shot and killed one of the other five.

1. Dan ran in the NY City marathon yesterday with one of the innocent men.
2. Mike considered being a farmer before he moved to the city.
3. Jeff is a topnotch computer consultant and wants to install Ben's new computer next week.
4. The murderer had his leg amputated last month.
5. Ben met Jack for the first time six months ago.
6. Jack has been in seclusion since the crime.
7. Dan used to drink heavily.
8. Ben and Jeff built their last computers together.
9. The murderer is Jack's brother. They grew up together in Seattle.

Sherlock holmes arrived at the scene and immediately find the murderer.

who was the murderer ?

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

Mind Teasers : Wild West Cowboy Riddle

Difficulty Popularity

In the Wild West, you challenge two cowboys - Hunter Jack and Sharp Shooter Leo into a death match. They being better shooter than you readily accept your challenge. But they don't want to waste bullets and thus lay down a certain rules that are accepted by you as well. Here are the rules:

1) Everyone shoot in a given order till only one is left.
2) Everyone shoot only once when his turn arrive.
3) If any one of you is injured, the other two will finish him off together.
4) The worst shooter gets to shoot first (which is you) and the best one shoots at the last.

Now, what tactics will you use if you know that you hit every third shot of yours, Jack hits every second shot and Leo hits every shot?

  • 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 : 70k+
  • Sol Viewed : 20k+

Mind Teasers : Logical Cut Brain Teaser Riddle

Difficulty Popularity

Your friends are coming over to your birthday party. Your mum has bought this delicious giant doughnut for you guys. Unfortunately she had to go somewhere. Now you have to serve all of them including you.

There are a total of nine kids including you. None of you would mind a smaller piece. Can you cut this doughnut into nine pieces in just three straight cuts?

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