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: Pebbles in beach  ( 3001 )
« : December 04, 2009, 11:15:46 AM From A»

Pebbles in beach

Once upon a time, in a village, there were two friends named Dhyan and Gyan. One day they find a box of diamonds and start fighting with each other for it. To solve this, Dhyan calls a few villagers and Gyan to a beach, gives Gyan a bag, tells him there are two small pebbles which he picked up from beach, of which one is brown and other white and asks Gyan to pick a pebble from the bag in front of the villagers. Dhyan tells that if Gyan picks brown pebble, he will have to give the diamonds to Dhyan and if he picks white pebble he can keep the diamonds. Gyan smartly wins the fight. How?

Gyan knows that Dhyan has deceived him and both pebbles in bag are brown.
Gyan picks only one pebble from the bag.

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« #1 : December 04, 2009, 12:32:41 PM From Vivek»

Gyan picks and drops it and since its beach there will be all kinds of stones and he tells the villagers that if the bag has Brown then he picked up White first..
and he wins as in the bag it will be Brown again!
« #2 : December 21, 2009, 12:21:52 PM From A»

Many years ago in a small Indian village,

A farmer had the misfortune
Of owing a large sum of money to a village moneylender. The
Moneylender, who was old and ugly, fancied the farmer's beautiful
Daughter. So he proposed a bargain.

He said he would forgo the farmer's debt if he could marry his
Daughter. Both the farmer and his daughter were horrified by the

So the cunning money-lender suggested that they let
Providence decide the matter. He told them that he would put a black
Pebble and a white pebble into an empty money bag. Then the girl would
Have to pick one pebble from the bag.

1) If she picked the black pebble, she would become his wife and her
father's debt would be forgiven.

2) If she picked the white pebble she need not marry him and her
father's debt would still be forgiven.

3) But if she refused to pick a pebble, her father would be thrown into

They were standing on a pebble strewn path in the farmer's field. As
They talked, the moneylender bent over to pick up two pebbles. As he
Picked them up, the sharp-eyed girl noticed that he had picked up two
Black pebbles and put them into the bag.

He then asked the girl to pick
A pebble from the bag.

Now, imagine that you were standing in the field. What would you have
Done if you were the girl? If you had to advise her, what would you
Have told her?

Careful analysis would produce three possibilities:

1. The girl should refuse to take a pebble.

2. The girl should show that there were two black pebbles in the bag
And expose the money-lender as a cheat.

3. The girl should pick a black pebble and sacrifice herself in order
To save her father from his debt and imprisonment.

Take a moment to ponder over the story. The above story is used with
The hope that it will make us appreciate the difference between lateral
And logical thinking.

The girl's dilemma cannot be solved with
Traditional logical thinking. Think of the consequences if she chooses
The above logical answers.

What would you recommend to the Girl to do?

Well, here is what she did ....

The girl put her hand into the moneybag and drew out a pebble. Without
Looking at it, she fumbled and let it fall onto the pebble-strewn path
Where it immediately became lost among all the other pebbles.

"Oh, how clumsy of me," she said. "But never mind, if you look into the
Bag for the one that is left, you will be able to tell which pebble I

Since the remaining pebble is black, it must be assumed that she had
Picked the white one. And since the money-lender dared not admit his
Dishonesty, the girl changed what seemed an impossible situation into
An extremely advantageous one.
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