It has five wheels, though often think four, You cannot use it without that one more, You can put things in it, you can strap things on top, You can't find it in the market, but you can still go shop. What is it?

In a chess board, the queen piece can move horizontally, vertically and diagonally freely. The picture represents the same.Can you place 8 queens on the board in a manner that none of the queens can attack each other?

Can you find out what is missing?

1 3 5
2 4 ?

Hint: It's not six. Think out of the box.

Using Only Five 5's and any mathematical operator make sum as 37

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?

There is one four-digit whole number n, such that the last four digits of n2 are the original number n

A person was found dead on a big green land with no trees or buildings around. When the police arrived, they found a piece of rock lying next to him and the man was wearing clothes comprising of red, blue and yellow colours.

Can you tell who the person is and what was the cause of death?

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?

What number comes next in the series?

5 15 5 18 5 24 14 20 _

How many letters are in the alphabet?