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?

Find The Missing Number In the Sequence.
6 25 64 ? 32 1

Can you name an animal whose killing cannot be performed without spilling your own blood?

In a university, a professor gave a set of three problems to the three brilliant students of his class. See the image for the questions.

Can you divide the below-given shape into four equal and identical pieces?

Replace the 'X' with any mathematical symbol to make the expression equal to 111.

18 X 12 X 2 X 3 = 111

Eight of us go fourth, not back, to protect our king from an attack. What are we?

In a supermarket, there is an intelligent glass pane before a refrigerating unit. This glass pane allows cherries and apples through it but does not allow grapes and Orange to pass through it.

Can you identify the rule that the glass pane is following?

A man is looking at a photograph of someone. His friend asks who it is. The man replies, “Brothers and sisters, I have none. But that man’s father is my father’s son.” Who was in the photograph?

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

What is it?