How many times can you subtract the number two from the number fifty?

On her drawing table, Sayna lit 12 coloured candles. A few seconds later she blew two candles off.

How many candles Sayna have at the end?

What have one eye but still cannot see?

I’m orange, I wear a green hat and I sound like a parrot. What am I?

While going to your grandmother's house, you counted Twenty houses on the right side. While returning back to your home, you counted Twenty houses on the left side.

How many houses are there between your home and your grandmother's home?

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

Fate has decided that you will only be pleased to meet me when you need me

Maybe that is why, when I am working, I start working

However annoying I may be to the regulars, the little ones are always inspired

I will always be waiting if you try to reach me

How many of you can guess my name, let me see

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?

What word begins and ends with an E, but has only one letter?

There are a number of books on a shelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?