By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

Can you decipher the two rows to find the hidden word?

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

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?

I am a prime number.
The double of myself is equal to the square of me.

which number am I?

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.

There was a strange boy who was born before his father. How can this be possible?

What part of Turkey has the most feathers?

What is the longest word in the dictionary?

What does Alexander the Great and Winnie the Pooh have in common?