Difficulty Popularity

The following set of letters may appear totally irrelevant but they can be crafted out into real words if you add three letters in the beginning and that very three letters at the end. Can you find out those three letters in each case?

ERTAINM

ISCOVE

ROW

IOXID

ROCOS

Hint: Suppose you are given a word ANGLEM and you have to find three letters in the same fashion, you can add ENT in the beginning and at the end. ENT + ANGLEM + ENT will become ENTANGLEMENT.

ERTAINM

ISCOVE

ROW

IOXID

ROCOS

Hint: Suppose you are given a word ANGLEM and you have to find three letters in the same fashion, you can add ENT in the beginning and at the end. ENT + ANGLEM + ENT will become ENTANGLEMENT.

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Difficulty Popularity

A couple had to take shelter in a hotel for they could not proceed their journey in the rain. Having nothing to do at all, they started playing cards. Suddenly there was a short circuit and the lights went off. The husband inverted the position of 15 cards in the deck (52 cards normal deck) and shuffled the deck.

Now he asked his wife to divide the deck into two different piles which may not be equal but both of them should have equal number of cards facing up. There was no source of light in the room and the wife was unable to see the cards.

For a certain amount of time, she thought and then divided the cards in two piles. To the husband’s astonishment, both of the piles had equal number of cards facing up.

How did she do it?
**category** :
LOGIC

Now he asked his wife to divide the deck into two different piles which may not be equal but both of them should have equal number of cards facing up. There was no source of light in the room and the wife was unable to see the cards.

For a certain amount of time, she thought and then divided the cards in two piles. To the husband’s astonishment, both of the piles had equal number of cards facing up.

How did she do it?

Difficulty Popularity

In a recreational activity, you are given four different jars of 2 liters, 4 liters, 6 liters and 8 liters respectively with an unlimited water supply. Then you are asked to measure exactly 5 liters of water using them.

How will you do it?

How will you do it?

Difficulty Popularity

A great meeting is held by a great logician where all the other logicians are called upon. The master logician takes them in a room and makes them sit in circle. A hat is placed on each of their heads. Now all of them can see the color of hats others are wearing but can’t see his own. They are told that there different colors of hats.

The master logician explains that a bell will be rung at regular intervals and the moment when a logician knows the color of his hat, he will leave on the next bell. If anyone leaves at the wrong bell, he will be disqualified and sent home.

All of them are assured of one thing that the puzzle will not be impossible for anyone of them. How will they manage the situation?
**category** :
LOGIC

The master logician explains that a bell will be rung at regular intervals and the moment when a logician knows the color of his hat, he will leave on the next bell. If anyone leaves at the wrong bell, he will be disqualified and sent home.

All of them are assured of one thing that the puzzle will not be impossible for anyone of them. How will they manage the situation?

Difficulty Popularity

Difficulty Popularity

Adam is one of the finalist in an IQ championship. As the final test, he is provided with two hourglass. One of them can measure eleven minutes while the other one can measure thirteen minutes.

He is asked to measure exactly fifteen minutes using those two hourglasses. How will he do it ?

He is asked to measure exactly fifteen minutes using those two hourglasses. How will he do it ?

Difficulty Popularity

You have ten boxes and an electronic weighing machine. In those ten boxes, you have chocolates. Each chocolate weigh 20 grams. But in one box the chocolates are defective and each weigh 19 grams exactly.

Now you can weigh in the electronic weighing machine but you can use that machine just once. How will you find out which box has the defected chocolates.
**category** :
LOGIC

Now you can weigh in the electronic weighing machine but you can use that machine just once. How will you find out which box has the defected chocolates.

Difficulty Popularity

Difficulty Popularity

Jonathan has three boxes containing milk chocolates and dark chocolates. The problem is that all of them have been labeled incorrectly as follows.

Box1: Dark Chocolates

Box2: Milk Chocolates

Box3: Dark Chocolates and Milk Chocolates

How will he label all the boxes correctly by just opening one box?
**category** :
LOGIC

Box1: Dark Chocolates

Box2: Milk Chocolates

Box3: Dark Chocolates and Milk Chocolates

How will he label all the boxes correctly by just opening one box?

Difficulty Popularity

Difficulty Popularity

Three college toppers are summoned by the inspecting faculty. To identify the best from them, the faculty takes them into a room and places one hat on each of their heads. Now all of them can see the hats on other’s heads but can’t see his own. There are two colored hats – green and red.

Now the faculty announces that he had made sure that the competition is extremely fair to all three of them. He also gives them a hint that at least one of them is wearing a red hat. Now the first one who is able to deduce his own hat color will be awarded the most intelligent student of all award. After a few minutes, one of them raises his hand and is able to deduce the color correctly.

How?
**category** :
LOGIC

Now the faculty announces that he had made sure that the competition is extremely fair to all three of them. He also gives them a hint that at least one of them is wearing a red hat. Now the first one who is able to deduce his own hat color will be awarded the most intelligent student of all award. After a few minutes, one of them raises his hand and is able to deduce the color correctly.

How?

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