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

John was piloting a plane behind a car but was never able to overtake it. Why?

Speaking of rivers, a man calls his dog from the opposite side of the river. The dog crosses the river without getting wet, and without using a bridge or boat. How?

Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?

What month of the year has 28 days?

Here is a mathematical expression that also secretly tells a movie name. What movie is that?

What 5-letter word typed in all capital letters can be read the same upside down?

We can be boring,Or interesting.
We can be long,Or short.
We can have pictures,Or just words.
Many love us,But many also hate us.
What are we?

Only one colour, but not one size,
Stuck at the bottom, yet easily flies.
Present in sun, but not in rain,
Doing no harm, and feeling no pain.
What is it?

What is so fragile that saying its name breaks it?