Which alphabet letter is a question?

The more of this there is, the less you see. What is it?

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

There are 4 big houses. They are made from the materials: red marble, green marble, white marble and blue marble.

* Mrs Jennifer's house is somewhere to the left of the green marble one and the third one alone is white marble.
* Mrs Sharon owns a red marbles house and Mr Cruz does not live at either end, but lives somewhere to the right of the blue marbles house.
* Mr Danny lives in the fourth house, while the first house is not made from red marble.

Who lives where, and what is their house made from?

I taste better than I can smell. Who am I?

How many words can a quill made with the feather of a pigeon write with a 100ml bottle of black ink?

Why do people go to bed?

A woman who works in a sweet shop has a measurement of 32-26-36, is 5"4" tall, and wears size "6" shoes. What do you think she weighs?

Five teams were competing in cricket where they faced each other exactly once. After the tournament, the following is the point table.

DareDevils 6
SuperKings 5
Royals 4
Sunrisers 2
Riders ?

How many points did Riders end up with?

You need to arrange three 7 and mathematical symbols to form number 1?