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

What has many teeth, but cannot bite?

I am a white box having no key or lid.
Yet there is a golden treasure inside it.

What Am I?

If,

6 / 7 = 2
3 / 9 = 7
8 / 2 = 6

Then

4 / 5 = ?

It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?

Living above a star, I do not burn
Eleven friends and they do not turn
I can just be visited in a sequence, not once or repeatedly
PQRS are my initials
Can you tell my name accurately?

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?

Can you find a five letter word that is left with only two letters if one is removed?

John and his team plan to rob a safe. They got just one chance to break the code else the local police will be informed. Below are clues:
A) Exactly one number is perfectly placed: 9 8 1
B) Everything is incorrect: 9 2 4
C) Two numbers are part of the code of the safe but are wrongly placed: 0 9 3
D) One number is part of the code of the safe but is wrongly placed: 1 4 7
E) One number is part of the code of the safe but is wrongly placed: 7 8 3

It has horns but can’t beep. It is like to bleat but It is not a sheep. What is it?