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

O T T F F S S ?

What has one letter and starts with an E?

I shave every day, but my beard stays the same. What am I?

Find the hidden tiger in the given optical illusion ?

Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.

A thief enters a store and threatens the clerk, forcing her to open the safe. The clerk says, “The code for the safe is different every day, and if you hurt me you’ll never get the code.” But the thief manages to guess the code on his own. How did he do it?

How can one talk without saying a single word?

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

If nine thousand, nine hundred nine dollars is written as $9,909,
how should twelve thousand, twelve hundred twelve dollars be written?

What demands an answer, but asks no questions