I am a five-letter word and people eat me. If you remove the first letter I become an energy form. If you remove the first two letters, I am needed to live. Scramble the last three letters and I am a drink. What word am I?

13 decks of cards have been mixed. What is the minimum number of cards that must be taken out from the above-mixed cards to guarantee at least one 'four of a kind?

That attorney is my brother, testified the accountant.

But the attorney testified he didn't have a brother.

Who is lying?

Three people are in a room. Ronni looks at the Nile. The Nile looks at Senthil. Ronni is married but Senthil is not married. At any point, is a married person looking at an unmarried person? Yes, No or Cannot be determined.

I am the beginning of the end, and the end of time and space. I am essential to creation, and I surround every place. What am I?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see? What is it?

In the following picture, E is going to slide the object down and as per the terrain and the physics, the round object is going to travel all the way till the end. Now, can you analyze who all people will die when it happens?

Which number should replace the question mark?

What has 13 hearts but no other organs?

Why do we preferably have round manhole covers and not square ones?