Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

A girl has as many brothers as sisters, but each brother has only half as many brothers as sisters. How many brothers and sisters are there in the family?

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

What Am I?

There is a hypothetical state between the USA and Mexico border 'Tango'.
Here 70 percent of the population have defective eyesight, 75 percent are hard of hearing, 80 percent have Nose trouble and 85 percent suffer from allergies, what percentage (at a minimum) suffer from all four ailments?

You need to pick one entry from pot A and one from pot B to have a perfect match. Can you do it?

How many sides does a circle have?

The picture shows the dice results in each couple of throws. If they are actually following a pattern, can you find out the missing one?

John, Jack and Jill are in a desert. John doesn't like Jill and hence decides to murder him. He poisons the water supply of Jill. Since it is a desert area, Jill must drink or he will die of thirst.

Jack does not know of the actions of John and also decides to murder Jill. To succeed in his ill motives, he removes the water supply of Jill so he dies of thirst.

Jill dies due to thirst. Who murdered Jill?

That attorney is my brother, testified the accountant.

But the attorney testified he didn't have a brother.

Who is lying?

Nine marbles are arranged in the image below. Can you slide two marbles to form a square?