There are 2 cops parked along a one-way street looking for traffic violations. They spot a taxi driver going in the wrong direction, yet they do nothing.

Why?

I am written with two letters.
I said with the one.
I usually am seen with the two.

Who am I?

No matter how little or how much you use me, you change me every month. What am I?

Without looking at a calendar, within a minute name, a boy's name using 5 consecutive 1st letters of 5 consecutive months

Find the last number in the series below:

voN luJ yaM raM ---

What does the below rebus puzzle mean?

A large container is kept in open under the rain. Every passing hour, the water collected inside the container becomes double what it was.

In ten hours, the container is filled completely. Can you calculate how long would it have taken to be filled in half?

You are in a room that has three switches and a closed door. The switches control three light bulbs on the other side of the door. Once you open the door, you may never touch the switches again. How can you definitively tell which switch is connected to each of the light bulbs?

You throw me out when you want to use me and you take me in when you don't want to use me.

Who Am I?

The cream is heavier than Milk. True or False?