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?

How can you drop a raw egg from a height onto a concrete floor without cracking it?

An express train takes 3 seconds to enter the tunnel which is 1 km long.
If it is travelling at 120 km an hour, how long will it take to pass completely through the tunnel?

Find the smallest sentence with all the English alphabet.

I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?

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

Solve the puzzle by telling what does below picture means.

What building has the most stories?

I left my campsite and hiked south for 3 miles. Then I turned east and hiked for 3 miles. I then turned north and hiked for 3 miles, at which time I came upon a bear inside my tent eating my food! What colour was the bear?

Can you start the fire using two pieces of wood?