what's the probability of getting a king or a queen from a pack of 52 cards?

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?

Which is the smallest number that you can write using all the vowels exactly once?

What is more useful when it is broken?

You have two buckets of 11 liters and 6 litres.
How can you measure exactly 8 litres?

A generous owner of a company decided to give a bonus of $45 to every man and $60 to every woman on his birthday. But only one-ninth of the men and one-twelfth of the women were present to take the bonus.

Can you calculate the amount of money the owner spent if there were 3552 employees?

I had an infinite supply of water and 5 litres and 3 litres jars.

How would you measure exactly 4 litres in the least number of steps?

I get hot but I never sweat,
I cook food but I am not a chef,
I have a door but you can't enter me,
I have a light but I am not a lamp.
Who am I?

It has horns but can’t beep. It is like to bleat but It is not a sheep. What is it?

There is something which you can be arrested for attempting but not for successfully completing.