In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?

Find the next number in the sequence

5 12 24 36 ?

What is the next number?

77, 49, 36, 18 ?

What can you see in the middle of March and April that you can never see in any other month?

If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?

What does this mean?

CCCCCCC

There were three women in all the swimming costumes!
One was happy and the other two were sad!
The happy one was crying and the sad ones were smiling.
Why was this?

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?

When I asked a girl's name she told me her name is the date '07/09/2001'.

I thought for a few seconds and then I got her name. Do you?

How is a fly different from a mosquito?