Mind Teasers : Mathematical Equation Riddle

Difficulty Popularity

Replace the '?' by any mathematical symbol to make the expression equal to 99.

18 ? 12 ? 2 ? 3 = 111
category : MATHS | EQUATION

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Mind Teasers : Terrorist Plane Hijack Puzzle

Difficulty Popularity

A terrorist hijacks a plane with 10 passengers and there is a lot of gold in the plane.
After taking all the gold, the terrorist asked the government officials for 11 parachutes.
He killed all the passenger so that no one can identify him , take one parachute and jumps off.

Was he stupid to ask for 11 parachutes if he need only one ?

Mind Teasers : Lateral Thinking Problem

Difficulty Popularity

Suppose there is a Christmas tree and four angels are sitting on it amidst the other ornaments. Two of them have black halos and two of them have white halos. No body among them can see above their head. Angel A is sitting on the top branch and can see angels B and C sitting below him. B can see C who is sitting in a branch lower than his. Angel D is at the base of the tree and can't be seen due to the branches in between. Also, he can't see anybody as well.

If they are asked to guess the color of their own halo (they dont know that), who do you think will be able to deduce and speak up first with a right answer?
category : LOGIC

Mind Teasers : Harry Potter And Prisonor of Azkaban Riddle

Difficulty Popularity

Think of a person living in a disguise
The one who also deals in secrets and speaks nothing other than lies
Now think of a thing that's always the last to mend
What's the middle of the middle and also the end of the end?
Now think of the sound that you have often heard
When you were searching for a difficult-to-find word
Now if you can join them together and you can answer this
Which creature would you be reluctant to kiss?

Mind Teasers : Hard Logic Statement Riddle

Difficulty Popularity

There are a hundred statements.
1st person says: At least one of the statements is incorrect.
2nd person says: At least two of the statements is incorrect.
3rd person says: At least three of the statements are incorrect.
4th person says: At least four of the statements are incorrect.
..
..
..
100th person says: At least a hundred of the statements are incorrect.

Now analyze all the statements and find out how many of them are incorrect and how many are true?

Mind Teasers : Best Ramanujan Birthday Riddle

Difficulty Popularity

Today is Ramanujan birthday.
A year Ago on his birthday, he had five candles and he lit all except the last one.
Today he is going to light all the candles.

How old is Ramanujan Today?

Note: He is not turning five today.



category : LOGIC | MATHS

Mind Teasers : Famous Send More Money Equation Puzzle

Difficulty Popularity

Below equation is one the most popular equation.Can you solve the below equation by replacing alphabet with a digit such that the equation holds as well?
    SEND
+ MORE
======
MONEY
category : MATHS | EQUATION

Mind Teasers : Connect Nodes Puzzle

Difficulty Popularity

Can you connect the nodes between them based on the value of the node?

Note: Inside the first node there is a value of 1 which means that this node is connected to just one node

category : LOGIC | PICTURE

Mind Teasers : Hard Logical Puzzle

Difficulty Popularity

You are the ruler of a medieval empire and you are about to have a celebration tomorrow. The celebration is the most important party you have ever hosted. You've got 1000 bottles of wine you were planning to open for the celebration, but you find out that one of them is poisoned.

The poison exhibits no symptoms until death. Death occurs within ten to twenty hours after consuming even the minutest amount of poison.

You have over a thousand slaves at your disposal and just under 24 hours to determine which single bottle is poisoned.

You have a handful of prisoners about to be executed, and it would mar your celebration to have anyone else killed.

What is the smallest number of prisoners you must have to drink from the bottles to be absolutely sure to find the poisoned bottle within 24 hours?
category : LOGIC

Mind Teasers : Pattern Age Puzzle

Difficulty Popularity

If neha is 10
Both Sonali and priyanka is 15
Both sadaf and tanu is 10.

how much is prinka by the same system ?
category : LOGIC | CIPHER

Mind Teasers : Trick Relationship Riddle

Difficulty Popularity

If Erica's daughter is my daughter's mom, who am I to Erica?

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