It can be easily calculated that the digits 0 to 9 can be arranged into 3628800 distinct ten-digit numbers.

But do you know how many of these numbers are prime?

I came first on earth but second on the heaven.
I also came twice in a week but found just once in a year.
I stay away from months but you can find me in February.

What am I?

Which is the correct shadow of the bird?

If eleven plus two equals one, what does nine plus five equal?

John was going on a jungle trip. He asked his wife to pack something to eat, something to drink and something to burn if he feels cold in the jungle. When John opens the backpack he found just one thing in the bag. What was it?

Do You See It?

A car key is hidden in the picture. Can you spot it.? Quickly test your eye power now!

Select from the four options below!

a) Geneva, Switzerland
b) New York City, USA
c) Paris, France
d) London, England

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

If you say my name, I will no longer exist. What am I?