• Views : 50k+
  • Sol Viewed : 20k+

Mind Teasers : Famous Science Problem

Difficulty Popularity

Suppose we drop
1. A 50 kg metal ball
and
2. A 40 kg ball of silk
from a height of 100 meters.

which will reach the ground first ?

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

Mind Teasers : Math IQ Question

Difficulty Popularity

Adam is one of the finalist in an IQ championship. As the final test, he is provided with two hourglass. One of them can measure eleven minutes while the other one can measure thirteen minutes.
He is asked to measure exactly fifteen minutes using those two hourglasses. How will he do it ?

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

Mind Teasers : Interesting Bet Puzzle

Difficulty Popularity

In a bowl, there are several chits with distinct numbers on them. You have to choose any two of them at random.

Will you accept the 2 to 1 bet that the numbers will be relatively prime will you accept it?

For instance:
If the numbers you pick are 6 and 13, you lose $1.
If the numbers you pick are 5 and 25, you win $2.

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

Mind Teasers : Popular Interview Problem

Difficulty Popularity

I have two rectangular bars.

They have property such that when you light the fire from one end , it will take exactly 60 seconds to get completely burn.
However they do not burn at consistent speed (i.e it might be possible that 40 percent burn in 55 seconds and next 60 percent can burn in 10 seconds).

Problem is : How do you measure 45 seconds ?

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

Mind Teasers : Worlds Hardest Brain Teaser

Difficulty Popularity

A mastermind organized a quiz competition in which six selected candidates were invite namely James Hunt, Ruxandra Bar, Sophia Connors, David Finch, Fred Odea and Brian Miller. A 'special puzzle' was asked to all of them. The first one to answer it was promised for a big award.

After that, the candidates were offered the meal before the mastermind stood up to announce the much awaited result. He started announcing:

'Ok now everybody!'
'The winner of…..'
'The Hardest Riddle Ever Event.'

And then he smiled. All the candidates understood who won.

Do you know who won ?

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

Mind Teasers : Homicide Detective Puzzle

Difficulty Popularity

A homicide detective is called at a crime scene. A man is lying dead in front of the building and seeking the position of the windows on the building and the position in which the body is lying, it is evident that the man jumped out from one of them and committed suicide.

The detective asks his team to collect the traces if they can find any on the body and heads towards the building. He goes to the first floor and towards the room that is on the front side. Inside the room, he lights a cigarette, walks towards the window facing the dead body, opens the window and throws out the cigarette. He then goes to the second floor and repeats the same process.

He keeps doing the same thing till he is done with all the floors and then takes the lift to the ground floor. Upon reaching there, he informs the team that it is not a suicide but a murder.

While the whole team is shocked to hear the revelation, he lights another cigarette and takes a hard puff.

How do you think he found out that it was a not a suicide?

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

Mind Teasers : Interview Balls Puzzle

Difficulty Popularity

In a closed jar, there are three strawberry candies, two mango candies and five pineapple candies. You can't see inside the jar. Now, how many toffees you must take out from the jar to make sure that you have one of each flavor?

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

Mind Teasers : 8 Toothpicks Brain Teaser

Difficulty Popularity

Can you form eight squares of three different sizes by moving only two toothpick?

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

Mind Teasers : Induction Brain Teasers

Difficulty Popularity

Three college toppers are summoned by the inspecting faculty. To identify the best from them, the faculty takes them into a room and places one hat on each of their heads. Now all of them can see the hats on other’s heads but can’t see his own. There are two colored hats – green and red.

Now the faculty announces that he had made sure that the competition is extremely fair to all three of them. He also gives them a hint that at least one of them is wearing a red hat. Now the first one who is able to deduce his own hat color will be awarded the most intelligent student of all award. After a few minutes, one of them raises his hand and is able to deduce the color correctly.

How?

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

Mind Teasers : Logical Maths Gold Bar Brain Teaser

Difficulty Popularity

A worker is to perform work for you for seven straight days. In return for his work, you will pay him 1/7th of a bar of gold per day. The worker requires a daily payment of 1/7th of the bar of gold. What and where are the fewest number of cuts to the bar of gold that will allow you to pay him 1/7th each day?

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

Mind Teasers : Picture Brain Teaser

Difficulty Popularity

You can see the figure or draw one of your own. The scenario is as shown. There are three houses represented with the triangle over the square. There are three utilities: W, G and E representing water, gas and electricity respectively.

Can you draw a line and get each utility into every house (9) total lines without ever crossing any line?

Submit your Email Address to get latest post directly to your inbox.

Latest Puzzles

06 December
Lol Stupidest Riddle

How many words can a quill made with the...

05 December
Running Rabbit Riddle

Can you define up to which point the fas...

04 December
Christmas Riddle

You are blessed with five children. For ...

03 December
Nine Coins Picture Puzzle

Nine coins are arranged in a triangle as...

02 December
What Are We Riddle

We have as many as 13 hearts but don't h...

01 December
Cute Short Murder Mystery

John Walters was found drowned dead yet ...

30 November
DinnerTime Matchstick Riddle

Can you add 4 matchsticks to divide the ...

Puzzles Tags :

Illusions Tags :