• Views : 30k+
  • Sol Viewed : 10k+

Mind Teasers : Maths Probability Brain Teaser For Adults

Difficulty Popularity

You have a pair of unbiased dices. You throw them together till you get a sum of 4 or 7.

What is the probability that you get a sum of 4 before the sum of 7?

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

Mind Teasers : Math Trick Riddle

Difficulty Popularity

Removing one from eleven makes it ten and removing one from nine makes it ten.

Is it even possible?

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

Mind Teasers : Awesome Clock Puzzle

Difficulty Popularity

Time 12:21 is a palindrome as it reads the same forwards or backwards.
Whats the Whats the shortest interval between two palindromic times ?

example => 11:11 and 12:21 has interval of 1 hr 10 minutes.

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

Mind Teasers : 12 Sum Matchstick Brain Teaser

Difficulty Popularity

We have arranged matchsticks in a manner that all the first row, second row, first column and third column contain 12 matchsticks each. Can you remove 4 matchsticks and rearrange all the remaining matchsticks that we are still left with 12 matchsticks in the first row, second row, first column and the third column.


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

Mind Teasers : Impossible Maths Science Riddle

Difficulty Popularity

Cindy throws a ball from a 90 feet building. The ball is quite bouncy and when it hits the ground, it bounces back half way up. It keeps bouncing back to half way up.

How many bounces will the ball take before it comes to a permanent halt?

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

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?

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

Mind Teasers : The problem of the family of Amazon

Difficulty Popularity

While walking through the deepest jungle of the amazon, Steve the explorer came across a mystical tomb. He went closer and it read:
"Here lies two faithful husbands, with their two faithful wives,
Here lies two grandmothers along with their two granddaughters,
Here lies two dad's along with their two beloved daughters,
Here lies two mothers along with their two lovely sons,
Here lies two maidens along with their two charming mothers,
Here lies two sisters along with their two amazing brothers.
All were born legitimate, with no incest."
Steve, then checked and saw that there were only 6 graves in total

How was this possible? Steve needs your help to figure it out.

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

Mind Teasers : Maths Logical Riddle

Difficulty Popularity

Two mathematicians Steven and James were sitting face to face when Steven came up with an idea in mind. He scribbled something on the table and told James to read it. James said that it was wrong. Steven said it is absolutely right.

What would Steven have scribbled to make both of them correct?

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

Mind Teasers : Matchsticks Relationship Puzzle - Know Your Alphabets

Difficulty Popularity

What is the relationship between these matchsticks figures below?

Hint: You must know your alphabets.

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

Mind Teasers : Infosys Logic Brain Teaser

Difficulty Popularity

Imagine a picture in your mind. There is a rose plant. A few roses have grown up in the plant. There are a few bees hovering over them.

Now read the given statements carefully:
1) If every one of the bees lands on a rose, one of them won't get a rose.
2) If two bees share rise together, then there will be one rose left without any bee.

Can you find out the number of roses on the plant and the number of bees?

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

Mind Teasers : Famous Water Jug Problem

Difficulty Popularity

You live in Dubai and had an infinite supply of oil and a 5 liters and 3 liters jar,
how would you measure exactly 4 liters (of-course in minimum numbers of step) ?

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

Latest Puzzles

29 April
3 Letter English Verb Riddle

Can you name a three letter English verb...

28 April
Missing Number In The Table Puzzle

Can you replace the "?" with the appropr...

27 April
Where is the Cat Riddle

This is a picture of the nearby area of ...

26 April
13 Hearts Who am I Riddle

Got 13 hearts but never alive. Who am I ...

25 April
Baby Name Riddle

Jacqueline is pregnant and currently has...

24 April
The Pacific Quick Riddle

Balboa discovered The Pacific in 1513.

23 April
Happy Diwali Puzzle

Can you replace the each alphabet with t...

Puzzles Tags :

Illusions Tags :