I have some blue and red sock in my drawer. I have a total of 4 socks. I pick 2 socks and the chance that I get a pair of red socks is 1/2.

What is the chance of picking a pair of blue socks?

As shown in the image, the nine Dogs are square fenced. By constructing just two square fences can you make sure that two Dogs cannot meet each other without crossing the fence?

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?

You see a mathematical expression in the picture. Can you think of a movie that this expression refers to?

Can you find the next number in the below sequence
3 , 7 , 10 , 11 , 12 , 17 ?

I can write cow in 13 letters.

Can You?

John Went to the nearby store in a Mall to buy something for her home. Below is the conversation between the two:

John: How much for the one?
Shopkeeper: It is $2
John: How much for the Eleven?
Shopkeeper: It is $4
John: How much for the Hundred?
Shopkeeper: It is $6.

What is John buying?

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

Count the Triangle in the figure given below:

You need to move three matchsticks to form three squares. Can you do it?