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?

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

What is wrong in the below Picture?

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

Suppose we lay down two cups in front of you. One of the cups is filled with tea and the other one with coffee. Now we ask you to take a spoonful of tea and mix it with the coffee. At this moment, the coffee cup has a mixture of tea and coffee. You have to take that mixture (spoonful) and add it back to the tea.

Can you now tell if the cup of coffee has more tea or the cup of tea has more coffee?

Why is 6 afraid of 7?

What does this rebus mean?

O
N
C
E
TIME

Most people think of me as money. But when they find me in the water, they won’t get any money out of me. What am I?

I am a normal creature, but I have five hands. I can even have more but even then I will be considered normal.

Who am I?

There are 20 people in an empty, square room. Each person has full sight of the entire room and everyone in it without turning his head or body, or moving in any way (other than the eyes). Where can you place an apple so that all but one person can see it?