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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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How many cubic meters of dirt are in a hole of 20 meter long and 30 meter wide.

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One man was moving to and fro in worry when a bright woman noticed him. On asking he told her that while replacing his tire, he incidentally dropped all the four nuts into a deep drain. She told him what to do and he was then able to drive back successfully till his office.

What did she say to him?

What did she say to him?

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A magician has four playing cards in random order in his hand ( 3 4 5 and 6)

Magician wishes them placed in ascending order from his left to his right.

* To do this, he pulls the leftmost card (from viewer perspective) and puts it end.

* He then takes the third card from the right (from viewer perspective) and puts it in end.

What is the original order of the cards from magician perspective?
**category** :
LOGIC

Magician wishes them placed in ascending order from his left to his right.

* To do this, he pulls the leftmost card (from viewer perspective) and puts it end.

* He then takes the third card from the right (from viewer perspective) and puts it in end.

What is the original order of the cards from magician perspective?

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Akbar summoned Birbal out of anger. He told him that he will have to face death. He asked him to make a statement and if the statement is true he will be buried alive and if the statement is false, he will be thrown at lions. After hearing Birbal’s statement, Akbar could do nothing but smile. He gave him 5 gold bars and let him go.

What did Birbal say?

What did Birbal say?

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You can place weights on both side of weighing balance and you need to measure all weights between 1 and 1000. For example if you have weights 1 and 3,now you can measure 1,3 and 4 like earlier case, and also you can measure 2,by placing 3 on one side and 1 on the side which contain the substance to be weighed. So question again is how many minimum weights and of what denominations you need to measure all weights from 1kg to 1000kg.

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You are trapped with a lion in a cage with 1 unit as its radius. Both you and the lion can run effortlessly at the speed of one unit.

1) The lion is quite hungry and all he wants is to catch you and eat you up. Will he be able to do that?

2) If yes, how long do you have till he does that?
**category** :
LOGIC

1) The lion is quite hungry and all he wants is to catch you and eat you up. Will he be able to do that?

2) If yes, how long do you have till he does that?

Difficulty Popularity

A man desired to get into his work building, however he had forgotten his code.

However, he did recollect five pieces of information

-> Sum of 5th number and 3rd number is 14.

-> Difference of 4th and 2nd number is 1.

-> The 1st number is one less than twice the 2nd number.

->The 2nd number and the 3rd number equals 10.

->The sum of all digits is 30.

Crack the code ?

However, he did recollect five pieces of information

-> Sum of 5th number and 3rd number is 14.

-> Difference of 4th and 2nd number is 1.

-> The 1st number is one less than twice the 2nd number.

->The 2nd number and the 3rd number equals 10.

->The sum of all digits is 30.

Crack the code ?

Difficulty Popularity

In a jar, there are some orange candies and some strawberry candies. You pick up two candies at a time randomly. If the two candies are of same flavor, you throw them away and put a strawberry candy inside. If they are of opposite flavors, you throw them away and put an orange candy inside.

In such manner, you will be reducing the candies in the jar one at a time and will eventually be left with only one candy in the jar.

If you are told about the respective number of orange and strawberry candies at the outset, will it be feasible for you to predict the flavor of the final remaining candy ?
**category** :
LOGIC

In such manner, you will be reducing the candies in the jar one at a time and will eventually be left with only one candy in the jar.

If you are told about the respective number of orange and strawberry candies at the outset, will it be feasible for you to predict the flavor of the final remaining candy ?

Difficulty Popularity

Cindy opened twenty five presents.

Duke opened five presents.

John opened fifteen presents.

Judging by the statements, can you decipher how many presents will be opened by Rhea?

Duke opened five presents.

John opened fifteen presents.

Judging by the statements, can you decipher how many presents will be opened by Rhea?

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