I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

What number when divided in half becomes zero?

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

Which country gets ill every time?

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.

I have an apple tree , number of apple in this tree get doubles every week.

On 30th week , the tree gets completely filled with apples :-)



Can you tell me , on what week does my tree is half covered with apples ?

A bomb goes off.
Carnage.
One person, only a few feet away, survives! How can this be?

An express train takes 3 seconds to enter the tunnel which is 1 km long.
If it is travelling at 120 km an hour, how long will it take to pass completely through the tunnel?

How many times in a given day, minutes and hour clock comes in a straight line ?