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?

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

Can you spot the man between the coffee bean in the picture below ?

Which is the rope you never skip with?

John was driving a bus and got stuck when passing through an underpass. Then came Jacob with a needle and got the bus out of the underpass.

What did the boy do?

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.

There are 2 sand hourglasses.

The small one can measure 5 hours and the large one can measure 7 hours.

How can we measure 16 hours with 2 sand hourglasses running together ?

In this image, you can see three almost identical Doraemon images. Can you spot the odd one out from them?

I have lakes with no water, mountains with no stone and cities with no buildings. What am I?