Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

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

What Am I?

Twenty frogs are sitting on a log floating on the surface of a river. Two of them decide to jump off into the water.

How many frogs are there on the log at this moment?

What goes through cities and fields, but never moves?

Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?

Can you find the key in the picture below?

What Adam and Eve do not have but the rest of the people have?

John killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

With pointed fangs I sit and wait; with piercing force I crunch out fate; grabbing victims, proclaiming might; physically joining with a single bite. What am I?

The pound is not a finish.

We are sharing a few instructions below, which you have to use in any suitable order to modify the above sentence such that the end sentence is a scientific fact.

- Eliminate a letter and supplement another in its place.
- Take away one word.
- Remove one letter from one word.
- Get rid of two letters from one word.
- Swap a word with its antonym.