Can you find out the remainder when 3^300 is divided by 5?

What makes this number unique: 8,549,176,320?

What does the rebus below mean?

TEN BADTION

There are three light switches outside a room. One of the switches is connected to a light bulb inside the room.
Each of the three switches can be either 'ON' or 'OFF'.

You are allowed to set each switch the way you want it and then enter the room(note: you can enter the room only once)

Your task is to then determine which switch controls the bulb?

It is a nine-letter word.
The exact opposite of the phrase "friendly and outgoing"
It contains the word "over".
It starts will a vowel.

What is it?

There are three houses in a straight row. One is red, one is blue, and one is white. The red house is left of the middle. The blue house is right of the middle. Where's the white house?

In particular commonwealth games, a female participant won silver and gold medals for a single event.

How can this be possible?

In one of the popular batman series movie "Batman Forever", there was a riddle that goes like "Tear me off and then scratch my head and I was red then and now I am back. Who am I?

How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

I can be made.
I can be cracked.
I can be told.
I can be played.

Who am I?