A brand new Mobile Phone was on sale at 20% as a promotional offer. By what per cent must the Mobile price be increased to sell it at the original price again?

How can you spell "White of an egg" in one word?
Hint: I know you can spell coke, poke, and joke.

what does the below rebus means?

Can anyone tell me a word in the English dictionary which has a silent 'z'?

What makes this number unique: 8,549,176,320?

How many people must be gathered together in a room, before you can be certain that there is a greater than 50/50 chance that at least two of them have the same birthday?

Something Extraordinary happened on May 6th 19778 at 12:34am what was that?

I am a normal creature, but I have five hands. I can even have more but even then I will be considered normal.

Who am I?

You can take four of the five letters out of this word, but the pronunciation never changes. What is the word?

Rob is taller than Edwin, and Jurgen is shorter than Rob.
Of only one of the following statements, we now certainly know it is correct:

A.Edwin is taller than Jurgen
B.Jurgen is taller than Edwin
C.It cannot be determined if Jurgen or Edwin is the tallest.