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?

A chess tournament is taking place on knock-out terms (the one who loses the match is out of the game).
(a) If 10 matches are played in total, how many players participated?
(b) If 20 players took part in the tournament, how many matches were played?

Which word is least like the others? Third, fourth, fifth, sixth, seventh, eighth, ninth?

If you remove one from eleven, it becomes ten. If you remove one from nine, it becomes ten.

How is this possible?

People make me, save me, change me, raise me. What am I?

The below is a number puzzle. It should be read left to right, top to bottom.
1
1 1
2 1
1 2 1 1
1 1 1 2 2 1
? ? ? ? ? ?
? ? ? ? ? ? ? ?
Question 1: What are the next two rows of numbers?
Question 2: How was this reached?

What's the only room from which no one can enter or leave

Which tank will fill first?

How can you write nineteen in a manner that if we take out one, it becomes twenty?

Can you find a rabbit in the given picture?