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

There are 3 gallons A B C.

Gallon A having max capacity of 8 liters is currently filled with 5 liters of Water.

Gallon B having max capacity of 5 liters is currently filled with 3 liters of Water.

Gallon C having max capacity of 3 liters is currently filled with 2 liters of Water.

How can you measure 1 liter of Water in minimum number of steps ?

Gallon A having max capacity of 8 liters is currently filled with 5 liters of Water.

Gallon B having max capacity of 5 liters is currently filled with 3 liters of Water.

Gallon C having max capacity of 3 liters is currently filled with 2 liters of Water.

How can you measure 1 liter of Water in minimum number of steps ?

Difficulty Popularity

Twinkle and Rinki wish to cross a river.

The only way to get to the other side of the river is by boat, but that boat can only take one of them at a time. The boat cannot return on its own, there are no ropes or similar tricks, yet both girls manage to cross using the boat.

How?

The only way to get to the other side of the river is by boat, but that boat can only take one of them at a time. The boat cannot return on its own, there are no ropes or similar tricks, yet both girls manage to cross using the boat.

How?

Difficulty Popularity

Assuming i have an infinite supply of coins.

What is the fewest number of coins would be required in order to make sure each and every coin touched exactly three other coins.

What is the fewest number of coins would be required in order to make sure each and every coin touched exactly three other coins.

Difficulty Popularity

If three friends want to know the average of their salaries, how can they know it without disclosing their actually salary to the other ones?

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