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There are three departments of students in a school. These departments comprises of 64, 58 and 24 students respectively. In an exam, a strict examiner is appointed who asks the officials to make them sit in a manner that every room has equal number of students and also only a single student of one departments can be seated in one room.

How many rooms will be required to fulfill it?

How many rooms will be required to fulfill it?

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For my anniversary, I decided to surprise my wife. Since she is a voracious reader, I decided to collect a lot of books for her. On the first day of the month, I bought one book, on the second, I bought two and on the third, I bought three. This process went on till the anniversary and on the day, I had 276 books with me to gift her.

Can you calculate, on which day is our anniversary?

Can you calculate, on which day is our anniversary?

Difficulty Popularity

I need to divide numbers from 1 to 9 into two group such that sum of numbers in one group is equal to the sum of other group.

Note : 6 cannot be flipped over to make it 9.
**category** :
LOGIC

Note : 6 cannot be flipped over to make it 9.

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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

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

Difficulty Popularity

You need to divide 50 marbles(25-red and 25-blue) into two boxes such that the probability of picking red marble is maximized.

Following conditions need to hold true :

1. None of box is empty

2. All the marbles must be in one of two boxes.
**category** :
LOGIC

Following conditions need to hold true :

1. None of box is empty

2. All the marbles must be in one of two boxes.

Difficulty Popularity

David and Albert are playing a game. There are digits from 1 to 9. The catch is that each one of them has to cut one digit and add it to his respective sum. The one who is able to obtain a sum of exact 15 will win the game?

You are a friend of David. Do you suggest him to play first or second?

You are a friend of David. Do you suggest him to play first or second?

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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

You are stuck with the pirates who might even kill you on board. They give you a chance to survive. There are hundred black rocks and hundred red rocks. There are two empty sacks which are labelled as heads and tails respectively. You have to divide the rocks in two bags as per your wish. Then a fair coin will be flipped. If its heads, you will have to pick a rock on random from the sack labelled heads and if its tails, you will pick up from the tails sack. If you pick up a black rock, you will be freed and if you pick up a red rock, you will be killed.

How will you distribute the rocks so that your chances of survival are the best?

How will you distribute the rocks so that your chances of survival are the best?

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?
**category** :
LOGIC

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

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