Look at the picture and find out which square is not linked with any of the other squares.

I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?

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 will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?

What is black when you buy it, red when you use it, and gray when you throw it away?

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

John can place six large boxes or nine small boxes into a carton.

Can you find out in how many cartons can he place sixty-six boxes in total?

Can you decipher these quotes by Albert Einstein?
Blf xzm mvevi hloev z kilyovn lm gsv ovevo lm dsrxs rg dzh xivzgvw.

This puzzle is for Harry Potter fans. Do you know why Tom Riddle is called Lord Voldemort?

What part of the chicken has the most feathers?