15 caves are arranged in a circle at the temple of doom. One of these caves has the treasure of gems and wealth. Each day the treasure keepers can move the treasure to an adjacent cave or can keep it in the same cave. Every day two treasure seekers visit the place and have enough time to enter any two caves of their choice.

How do the treasure seekers ensure that they find the treasure in the minimum number of possible days?

10+10 and 11+11 can give you the same answer.

Explain how?

If you were to put a coin into an empty bottle and then insert a cork into the neck, how could you remove the coin without taking out the cork or breaking the bottle?

Here is a mathematical expression that also secretly tells a movie name. What movie is that?

Why do Chinese men eat more rice than Japanese men do ?

What does the below rebus riddle means?

A train leaves from point A for point B at 80 mph. After half an hour, another train leaves from point B for point A at 60 mph.

Which of the trains will be farther from point A when they meet ?

I am the one who remains awake when you sleep. But I need to rest when you awake. Who Am I?

You need to pick one entry from pot A and one from pot B to have a perfect match. Can you do it?

If,

A + B = C
D - C = A
E - B = C

Based on the above equations, find out the answer for:

D + F = ?