Teacher ask the student

'Why are you standing on that chair in music class ?'.

what did student replied ?

Can you count the number of lines in the below picture?

Make eight squares by moving only two matchsticks.
Note- Square can be of different sizes.

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

The measurement of time, That can't be found on a clock, But can be looked upon on a map.

Who is He ?

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?

If an electric train is travelling south, then which way is the smoke going?

I went to the bookshop and spent one-half of the money that was in my purse.

When I came out, I found that I had as many cents as I had dollars and half as many dollars as I had cents when I went in. Find the money in my purse when I entered the store.

A car is crossing a 20 km-long bridge. The bridge can support at most 1500kg of weight over it. If somehow, the weight on the bridge becomes more than that, it will break.

Now, the weight of the car is exactly 1500kg. At the midway, a bird comes and sits on the roof of the car. This bird weighs exactly 200 grams.
Can you tell if the bridge breaks at this point or not?

I am the beginning of the end, and the end of time and space. I am essential to creation, and I surround every place. What am I?