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Birbal Solves Farmer’s Well Dispute

A farmer and his neighbor once went to Emperor Akbar’s court with a complaint. “Your Majesty, I bought a well from him,” said the farmer pointing to his neighbor, “and now he wants me to pay for the water.” “That’s right, your Majesty,” said the neighbor. “I sold him the well but not the water!” The Emperor asked Birbal to settle the dispute.
How did Birbal solve the dispute in favor of the farmer?

The Greek Philosophers

One day three Greek philosophers settled under the shade of an olive tree, opened a bottle of Retsina, and began a lengthy discussion of the Fundamental Ontological Question: Why does anything exist?

After a while, they began to ramble. Then, one by one, they fell asleep.
While the men slept, three owls, one above each philosopher, completed their digestive process, dropped a present on each philosopher's forehead, the flew off with a noisy "hoot." Perhaps the hoot awakened the philosophers.
As soon as they looked at each other, all three began, simultaneously, to laugh.

Then, one of them abruptly stopped laughing. Why?

How many 0’s between 1 to 200 ?

How many 0’s are present in numbers from 1 to 200 ?
(including both numbers)

4 Tablets Puzzle

If I give you 4 tablets which consist of 2 for fever and 2 for cold.
All 4 being of the same size, shape, taste, weight and color and have no cover. You have to take 1 cold and 1 fever tablet right now.
How will you choose correctly?

Poisoned Wine Puzzle

You have 240 barrels of wine, one of which has been poisoned. After drinking the poisoned wine, one dies within 24 hours. You have 5 slaves whom you are willing to sacrifice in order to determine which barrel contains the poisoned wine.
How do you achieve this in 48 hours?

Month Puzzle

If January   = 101025
February     = 6525
March         = 13188
April           = 1912
May            = 13125
June           = 10215
July            = ?

Wrotten Apple !

An apple is in the shape of a ball of radius 31 mm.
A worm gets into the apple and digs a tunnel of total length 61 mm,
and then leaves the apple. (The tunnel need not be a straight line.)
Prove that one can cut the apple with a straight slice through the center so that one of the two halves is not rotten.

Which Letter is Missing ?

Which letter is missing from this sequence:

A , A , A , A , _ , A , A , A , A , A , A ,U

Note: the answer is not A or U.

Pick a Good Candy !

How do you place 50 good candies and 50 rotten candies in two boxes such that if you choose a box at random and take out a candy at random, it better be good!
That means probability of choosing a good candy should be highest. There is no restriction in putting the candies in 2 boxes. Any number of candies can be put in any box.

World with All Girls !!

In a world where everyone wants a girl child, each family continues having babies till they have a girl.
What do you think will the boy to girl ratio be eventually?
(Assuming probability of having a boy or a girl is the same)

Playing with Invisible Dice

You have 2 dice. One regular die and a an invisible die. Numbers 1 to 6 are written on the regular die.But you don't know what's written on the invisible dice.
After tossing both, I speak the sum of outcome of both die. It so happens that the outcome is always an integer between 1 to 12, with equal probability (1/12 each).
Can you guess what are the numbers printed on special invisible dice?

Alex bought a bag of apples

Alex bought a bag of apples on Saturday, and he ate a third of them. On Sunday he ate half of the remaining apples.
He ate one more on Monday and one more on Tuesday, and then ate half of the remaining apples on Wednesday. On Thursday he looked in the bag and saw that there was just one apple left.
How many apples did the bag have to begin with?

Spiderman's Girlfriends

Spiderman has two girlfriends, Mary Jane & Gwen Stacy.
After completing every mission, he rushes to the central subway. Since spidey is a nice man, much impartial, he takes which-ever train arrives first. From subway, one series go towards Mary's place, and another series move towards Stacy. Trains from either series appear every 10 minutes. Also, Peter Parker sticks with the train which arrives first.
But somehow, he notices that he is spending 9 times more dates with Mary Jane than Stacy. Can you explain why?

Add the Missing Numbers

Put the numbers 6, 10 and 12 to the correct place in the below sequence and make it complete.

1,  2,  4,  5,  9,  3,  7,  8,  11

Which of the Triangles fits the Missing Triangle?

Probability of Secret PIN

Suppose everyone in the class chose a secret 3-digit PIN number. What is the probability that everyone chooses a different number? Assume there are 120 students in the class.

Three Choices with One Coin

At a restaurant, how could you choose one out of three desserts with equal probability with the help of one single coin?

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