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?

Solve the below puzzle by replacing the question mark with the correct number.

3 6 12

4 8 16

5 10 ?

John was piloting a plane behind a car but was never able to overtake it. Why?

You can see it everyday, But cannot touch it at will. What is it?

Replace the question mark with the correct number, given the pair of numbers exhibits a similar relationship?

? : 3839 :: 11 : 1209

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

The more you take me, the more you leave me behind.
Who Am I?

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

What do you see in the image below

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?