If eleven plus two equals one, what does nine plus five equal?

Why do we preferably have round manhole covers and not square ones?

Which country gets ill every time?

In four steps you need to move the word 'cold' From 'warm' by replacing one alphabet at a time such that every word formed at each step is acceptable in English Dictionary.

Why is a river so rich ?

Can you solve the below geography rebus by decoding the below rebus ?

I have holes on the top and bottom. I have holes on my left and on my right. And I have holes in the middle, yet I still hold water. What am I?

what does this picture(rebus) riddle means ?

Once upon a time, there was a castle on a square island. The entire island was surrounded by a 14m wide trench. The Romans had wanted to invade the castle and had brought a few wooden planks along with them to facilitate themselves in crossing the moat. The planks were however found to be only 13m long.

The Romans still managed to cross the trench. How did they do it?

The day before yesterday I was 25 and the next year I will be 28. This is true only one day in a year. What day is my birthday?