Prove that twice of ten is the same as twice of eleven.
There was a strange boy who was born before his father. How can this be possible?
'S' refers to the number of seconds in a day and 'H' refers to the number of hours in ten years. Which quantity out of these two is greater?
Eight of us go fourth, not back, to protect our king from an attack. What are we?
All of the flowers I have are orchids except two. All of the flowers I have are hibiscuses except two. All of the flowers I have are roses except two. Can you tell me how many flowers I have?
A man was just doing his job when his suit was torn. Why did he die three minutes later?
Find the next number in the sequence 5 12 24 36 ?
What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?
Can you solve the below tricky visual equation?
I have an eye but still cannot see. Who am I?
I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?
Jigsaw puzzles soared in popularity during the great depression, as they provided a cheap, long-lasting, recyclable form of entertainment.