Why Aeroplane windows are round?

What type of tree can I carry in my hand?

The Little ant seems to be always confused. Do you know why?

I am never scared but became petrified and can’t live in a house but would die to make one. What am I?

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.

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

Why do Chinese men eat more rice than Japanese men do ?

Analyze and find the missing item in the sequence:
16, 06, 68, 88, __, 98

A non-stop marathon is the shared favourite sport of three brothers.

*The oldest one is fat and short and trudges slowly on.
*The middle brother's tall and slim and keeps a steady pace.
*The youngest runs just like the wind, speeding through the race.

"He is young in years, we let him run!" the other two brothers explained, "'because though he is surely number one, he is second, in a way." Why is it?

What month of the year has 28 days?