By Admin
  • Views : 30k+
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Mind Teasers : Count triangles mind teaser

Difficulty Popularity

Solve this mind teaser by counting number of triangles

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

Mind Teasers : Terrorist Attack Security Puzzle

Difficulty Popularity

UNO plans a gathering.
However there is threat of terrorist attack. So security guard who is a mathematical plans somethings to secure the place.

A terrorist stands nearby the door where
1st ambassador comes , the security guard said 'twelve' and ambassador replied with 'six'.
2nd ambassador comes , the security guard said 'six' and ambassador replied with 'three'.

The terrorist thinks its enough and walks to the door.
The security person said 'eight' , terrorist replied 'four' and get immediately arrested.

why ?

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

Mind Teasers : 3 Gallon Brain Teaser

Difficulty Popularity

You have been given three jars of 3 liters, 5 liters and 8 liters capacity out of which the 8 liters jar is filled completely with water. Now you have to use these three jars to divide the water into two parts of 4 liters each.

How can you do it making the least amount of transfers?

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

Mind Teasers : Probability To Choose Own Toy Brain Teaser

Difficulty Popularity

I bought three toys for my triplet boys (one for each). I placed the toys in the dark store. One by one each boy went to the store and pick the toy. What is the probability that no boy will choose his own toy?

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

Mind Teasers : Dollar * 4 = Quarter Equation Riddle

Difficulty Popularity

A quarter is 1/4th of a dollar but Professor Mr.GPuzzles has reversed the equation as below :

DOLLAR * 4 = QUARTER

You need to replace each alphabet by a number to decipher the logic used by Professor to make above equation true.

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

Mind Teasers : River Crossing Brain Teaser

Difficulty Popularity

River Thames needs to be crossed by Mr. Father, Mrs. Mother, A Thug, A Policeman, 2 dogs and 2 Cats. There is only one boat, which can carry only two people (or a person and an animal or two animals) at a time. Only the humans (excluding the thug) know how to operate the boat. The boat must travel back and forth across the river in order to pick up all of the people and animals.
Following rules must be followed at all times:
Mr. Father: Mr. Father cannot stay with any of the cats, without Mrs. Mother's presence.
Mrs. Mother: Mrs. Mother cannot stay with any of the dogs, without Mr. Father's presence.
Thug: The thug cannot stay with anyone, if the policeman is not there.
Policeman Allowed to travel with everyone.
2 Dogs, 2 Cats: Not allowed to travel without a human, or be in the presence of the thug without the policeman's supervision.
The dogs are not allowed to be in the presence of Mrs. Mother without the supervision of Mr. Father.
Similarly, The cats are not allowed to be in the presence of Mr. Father without the supervision of Mrs. Mother.
Both the dogs and cats are allowed to be unsupervised (provided the other rules are satisfied.)
How will everyone get to the other side of the river Thames? None of the rule can be broken, and all rules apply on the boat as well as on the land.

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

Mind Teasers : Move 3 MatchSticks Puzzle

Difficulty Popularity

You need to divide area in the picture below into two equal parts by using exactly three match sticks. Can you do it?

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

Mind Teasers : Logic Number Sequence Puzzle

Difficulty Popularity

Solve this logic number sequence puzzle by the correct digit
8080 = 6
1357 = 0
2022 = 1
1999 = 3
6666 = ?

  • 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?

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

Mind Teasers : Picture Mind Teaser

Difficulty Popularity

You are given with six marbles of three different colors. Arrange them in a manner that each one of them touches all four marbles of different colors.

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

Mind Teasers : May The Fastest Car Win

Difficulty Popularity

John is out with his class of 25 boys to a local park. Each guy has a remote controlled car with them. The park has a racetrack that allows 5 cars to be raced at once. Their teacher, Mr. Ted, declares that the top three fastest cars get ice cream.

How many races are required to determine the 3 fastest cars?

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