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

A wooden log balances equally on the scales when weighed with three-quarters of a pound and three-quarters of a wooden log.

Can you calculate the weight of the entire wooden log?

O_er_t_o_

Complete the missing letters of the given word.

How many times can you subtract the number 5 from 25?

John was piloting a plane behind a car but was never able to overtake it. Why?

How can you take 2 from 5 and leave 4?

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

This is a most unusual paragraph. How quickly can you find out what is so unusual about it? It looks so ordinary, you'd think nothing was wrong with it. Actually, nothing IS wrong with it. But it is not as ordinary as you might think. If you think about it for a bit, you will find out why it is truly so unusual. So what is it? What is so unordinary about this paragraph?

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

What has many keys but can’t open a single lock?