You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

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.

In a secret society, a buried chamber can be accessed only via a secret password. The password is seven characters long and comprises of just letters and numbers.

You find a code that can help you in cracking the password. The code says "You force heaven to be empty".

Can you deduce the password from that?

What three numbers, none of which is zero, give the same result whether they’re added or multiplied?

In the Chess Board picture below white army is arranged. You need to add a black army on the board such that no piece is under any threat.
Note: Army comprised of 1 king, 1 queen, 2 rooks, 2 bishops, 2 knights, and 8 pawns.

What number divided by 4 is the same as that number minus 4?

A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

There is a brick of gold and a brick of iron in a boat (both 10-inch blocks), if they are both dropped into the water which will make the water level higher?

Keyboard words are not in alphabetical order, Why?