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Imagine you are in a river surrounded by crocodiles.

How would you survive?

How would you survive?

Discussion

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You had an infinite supply of water and a 5 ml and 3 ml gallons.

How would you measure exactly 4 ml in least number of steps ?

How would you measure exactly 4 ml in least number of steps ?

Difficulty Popularity

n a hotel, a man was sleeping when he heard a knock on the door. He shifted the blanket and stepped down from the bed. He waked to the door and opened it to find a stranger standing outside.

Upon opening the gate, that stranger said, "Pardon me, I must have made a mistake. I thought this was my room."

The stranger then walked the corridor and climbed down the stairs. The man closed the door and immediately called the security. He asked them to arrest that stranger immediately.

Why did he asked them to arrest that stranger? What made him suspicious?

Upon opening the gate, that stranger said, "Pardon me, I must have made a mistake. I thought this was my room."

The stranger then walked the corridor and climbed down the stairs. The man closed the door and immediately called the security. He asked them to arrest that stranger immediately.

Why did he asked them to arrest that stranger? What made him suspicious?

Difficulty Popularity

Difficulty Popularity

Below equation is one the most popular equation.Can you solve the below equation by replacing alphabet with a digit such that the equation holds as well?

SEND

+ MORE

======

MONEY

SEND

+ MORE

======

MONEY

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Adam is one of the finalist in an IQ championship. As the final test, he is provided with two hourglass. One of them can measure eleven minutes while the other one can measure thirteen minutes.

He is asked to measure exactly fifteen minutes using those two hourglasses. How will he do it ?

He is asked to measure exactly fifteen minutes using those two hourglasses. How will he do it ?

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In Era of Abraham Lincoln, there is a world famous surgeon whose more than 90% surgeries are successful and yet almost all of his patients die.

Explain ?

Explain ?

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I have two rectangular bars.

They have property such that when you light the fire from one end , it will take exactly 60 seconds to get completely burn.

However they do not burn at consistent speed (i.e it might be possible that 40 percent burn in 55 seconds and next 60 percent can burn in 10 seconds).

Problem is : How do you measure 45 seconds ?

They have property such that when you light the fire from one end , it will take exactly 60 seconds to get completely burn.

However they do not burn at consistent speed (i.e it might be possible that 40 percent burn in 55 seconds and next 60 percent can burn in 10 seconds).

Problem is : How do you measure 45 seconds ?

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A petri dish kept in a lab has a colony of healthy bacteria. Every bacterium divides itself into two in exactly two minutes. Now the colony started with a single cell at 2 pm. If the petri dish was exactly half full of bacteria at 3 pm, when will the dish become full of bacteria?

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If neha is 10

Both Sonali and priyanka is 15

Both sadaf and tanu is 10.

how much is prinka by the same system ?

Both Sonali and priyanka is 15

Both sadaf and tanu is 10.

how much is prinka by the same system ?

Difficulty Popularity

James Bond was relaxing in his hotel room in Lyon when he heard a knock at his door. Bond opened the door and see a beautiful woman whom he had never seen in his life. She said that she is so sorry and she thought that this was her room. She was about to leave the room when the Bond takes out his pistol and ask the girl to stop.

What made Bond suspicious of the girl?

What made Bond suspicious of the girl?

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