I am the beginning of the end, and the end of time and space. I am essential to creation, and I surround every place. What am I?

What is so fragile that saying its name breaks it?

Distances from you to certain cities are written below.

BERLIN 200 miles

PARIS 300 miles

ROME 400 milesAMSTERDAM 300 miles

CARDIFF ??? miles

How far should it be to Cardiff ?

John is looking at Jenifer, but Jenifer is looking at Jacob. John is married, but Jacob is not.

Is a married person looking at an unmarried person ?

I have nine bottles of wine and one of the nine bottles is poisoned.
I need to find the poisoned bottle with two facts
(1) Poison is deadly, only a sip will cost death
(2) I have two mice to do so.

How should I do it?

Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

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

There is a jar in which there are two types of candies.
20 blueberries and 16 strawberries. You perform the following steps:
1) You take out two candies.
2) If the two candies are of the same flavour, you add a blueberry one otherwise, you add the strawberry one.

You repeat these two steps till there is just one candy remaining in the jar. Which flavoured candy will be left?

Complete the series by replacing "?" with the correct number.

ST ND RD TH '?'

Can you find out a way through which you can make five squares out of the given figure by moving just six match sticks?