What Adam and Eve do not have but the rest of the people have?

We have shown you a regular water barrel as below. Without using any measuring device can you check if the barrel is more than half-filled or less than half-filled?

Take away my first letter, then take away my second letter. Then take away the rest of my letters, yet I remain the same. What am I?

Which digit occurred maximum times between the number 1 and 1000?

An equation has been laid down using a few matchsticks. However, as you can see, the equation is not correct. Can you correct the equation if you are allowed to add or remove 5 matchsticks?

A girl says this to her best friend: “I was born in 1955, and I celebrated my 17th birthday last weekend.” Her best friend thinks she’s lying, but she’s actually correct. How is that possible?

Can you find the largest Three-digit number whose sum is 14 and whose square is less than 5,00,000?

Find the hidden tiger in the given optical illusion ?

what does the below rebus mean?

It belongs to you, but other people use it more than you do. What is it?