• Views : 70k+
  • Sol Viewed : 20k+

Mind Teasers : Math Or Science Problem

Difficulty Popularity

When deepak was six years old he hammered a nail into his favorite tree to mark his height.
Five years later at age eleven , deepak returned to see how much higher the nail was.
If the tree grew by ten inches each year, how much higher would the nail be?

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

Mind Teasers : Maths Logical Problem

Difficulty Popularity

The digits 0-9(0,1,2,3,4,5,6,7,8,9) can be rearranged into 3628800 distinct 10 digits numbers.

How many of these numbers are prime ?

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

Mind Teasers : Brain Twister For Kids

Difficulty Popularity

A clever robber breaks into a closed bank where he finds a clerk. He asks password of the safe from the clerk while pointing a gun on his forehead. Out of fear, the clerk manages to blurt out, “Every day, the password of the safe is changed. I can help you but please point away the gun as if you kill me, you will never be able to crack the password.

The robber ties the clerk on a chair and insert a cloth in his mouth. He then easily opens the safe after inserting the code and takes all the money before he flees.

How did he know the password ?

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

Mind Teasers : Popular Castle History Puzzle

Difficulty Popularity

A square island comprised of a square castle. A 14m wide trench surrounded the island from everywhere. Roman Empire wanted to invade the castle and gain the loot as well as possession of the island. They brought along wooden planks to cross the trench. However, they realized that the planks were just 13m long.

How did they use those planks to invade as well as capture the island ?

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

Mind Teasers : Tricky Mathematician Problem

Difficulty Popularity

A mathematician was challenged to write nineteen in a manner that if one was taken out of it, it became twenty. He failed to do it.

Can you help him?

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

Mind Teasers : Famous 13 Cave Logic Problem

Difficulty Popularity

A thief was running from the police after the biggest theft the town saw. He took his guard in one of the thirteen caves arranged in a circle. Each day, the thief moves either to the adjacent cave or stay in the same cave. Two cops goes there daily and have enough time to enter any two of the caves out of them.

How will the cop make sure to catch the thief in minimum number of days and what are the minimum number of days?

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

Mind Teasers : The sheep and the grass logical puzzle

Difficulty Popularity

If we tie a sheep to one peg, a circled grass is been eaten by the sheep. If we tie the sheep to two pegs with a circle on its neck, then an eclipse is eaten out of the grass by the sheep. If we want an eclipse then we put two pegs then put a rope in between then and the other end of the rope is tied up on the sheep's neck.

Question: how should we tie the peg and the sheep so that a square is eaten out from the garden's grass? We only have one sheep's rope and the peg and the rings.

  • 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 : 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.

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

Mind Teasers : Awesome Logic Brain Teaser

Difficulty Popularity

Q1. Find out the first question where the right answer is c)
a) Q3
b) Q4
c) Q1
d) Q2

Q2. Find out the first question where the right answer is a)
a) Q4
b) Q2
c) Q3
d) Q1

Q3. Find out the first question where the right answer is d)
a) Q1
b) Q2
c) Q4
d) Q3

Q4. Find out the first question where the right answer is b)
a) Q2
b) Q4
c) Q3
d) Q1

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

Mind Teasers : Hidden Bird In Snow Picture Riddle

Difficulty Popularity

Can you find the hidden bird in the picture (winter time) below?

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