Mind Teasers : Logic Coins Puzzle

Difficulty Popularity

Assuming i have an infinite supply of coins.

What is the fewest number of coins would be required in order to make sure each and every coin touched exactly three other coins.

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Mind Teasers : Logic Picture Problem

Difficulty Popularity

As you can notice in the picture that ten coins have been arranged to form a triangle pointing upwards. What you have to do is move three coins and make that triangle point downwards. Can you do it in just 3 moves?

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.
category : MATHS | EQUATION

Mind Teasers : Prime Number < 100 Puzzle

Difficulty Popularity

Can you list all the prime numbers than 100 which when divided by 5 leaves an odd remainder?
category : MATHS

Mind Teasers : Toughest Number Series Question

Difficulty Popularity

Solve the number series by identifying the last number.

1 4 5 6 7 9 11 ?
category : LOGIC | SERIES

Mind Teasers : Tough River Crossing Riddle

Difficulty Popularity

This one is a bit of tricky river crossing puzzle than you might have solved till now. We have a whole family out on a picnic on one side of the river. The family includes Mother and Father, two sons, two daughters, a maid and a dog. The bridge broke down and all they have is a boat that can take them towards the other side of the river. But there is a condition with the boat. It can hold just two persons at one time (count the dog as one person).

No it does not limit to that and there are other complications. The dog can’t be left without the maid or it will bite the family members. The father can’t be left with daughters without the mother and in the same manner, the mother can’t be left alone with the sons without the father. Also an adult is needed to drive the boat and it can’t drive by itself.

How will all of them reach the other side of the river?
category : LOGIC | TRICK

Mind Teasers : Smartest Phone Brain Teaser

Difficulty Popularity

Armed robbers invaded a bank. They were busy looting when suddenly a phone rang. The phone happened to be at the reception. One of the robber asked the receptionist to attend the call and talk without giving away the situation. The call happen to be from her mother. She spoke, 'Do you have any emergency mom? Can you give me a call when I get home, I could really use your help in buying new curtains?' Then she hangs up.

The robbers are busy when the police arrives suddenly along with the mother of the receptionist. How did she know about the robbery?

Mind Teasers : New Answer Riddle

Difficulty Popularity

There is a puzzle which can be asked all day with a different correct answer each time. What is the puzzle ?
category : TRICK

Mind Teasers : Smart Trick Puzzle

Difficulty Popularity

A local magician is performing his favorite trick to be under water for approx 10 minutes.

I went to the magician and told him that i can be under the water for 20 minutes.
He laughed and den responded "I will give you 1000 pounds , if you can do this"

I won the bet and get 1000 pounds.

what did i do ?
category : LOGIC | TRICK

Mind Teasers : Cross The River Mind Teaser

Difficulty Popularity

A river should be crossed by a father, a mother and their two sons and two daughters.
There are some rules that should be followed while crossing the river. There can be only two people in the raft while crossing. The daughters cannot be with their father unless there is the presence of the mother. The sons cannot be with their mothers unless the father is present. Unless the guard is on the board, the criminals cannot be with any of the family members. Only the adults like the father, the guard, and the mother knows to use the raft.

How will they cross the river?
category : LOGIC

Mind Teasers : Tricky Logic Question

Difficulty Popularity

A claustrophobic person boards a train that is just about to enter a tunnel.

Which place will be the best for him to sit?

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