Two girls were born to the same mother, on the same day, at the same time, in the same month and year and yet they're not twins. How can this be ?

There are five vowels (a, e, i, o, u) in the English language.
Can you tell us a word that contains all these vowels?

What number should come in place of the question mark below?

You walk into a creepy house by yourself. There is no electricity, plumbing, or ventilation. Inside you notice 3 doors with numbers on them. Once you open the doors you will die a particular way. Door No.1 You’ll be eaten by a lion who is hungry. Door No.2 You’ll be stabbed to death. Door No.3 There is an electric chair waiting for you. Which door do you pick?

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

What is the coolest letter in the alphabet?

Three playing cards in a row. Can you name them with these clues? There is a two to the right of a king. A diamond will be found to the left of a spade. An ace is to the left of a heart. A heart is to the left of a spade. Now, identify all three cards.

Can you find the six hidden animals in the picture below?

Can you find out the missing number in the grid?