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?

Only one colour, but not one size,
Stuck at the bottom, yet easily flies.
Present in sun, but not in rain,
Doing no harm, and feeling no pain.
What is it?

Use the digits from 1 up to 9 and make 100.

Follow the rules.
=> Each digit should be used only once.
=> You can only use addition.
=> For making a number, two single digits can be combined (for example, 4 and 2 can be combined to form 42 or 24)
=> A fraction can also be made by combining the two single digits (for example, 4 and 2 can be combined to form 4/2 or 2/4)

Question: how can we do this?

What can go through glass without breaking it?

It has a long neck, A name of a bird, Feeds on cargo of ships, It's not alive,

What is it?

Divide 110 into two parts so that one will be 150 per cent of the other. What are the 2 numbers?

Name a key which is hardest to turn.

Take away the whole and some still remain. What is it?

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?

I have an eye but still cannot see.

Who am I?