If you remove one from eleven, it becomes ten. If you remove one from nine, it becomes ten.

How is this possible?

What brings you down but never up?

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

Divide 110 into two parts so that one will be 150 per cent of the other. What are the 2 numbers?

You have a basket containing ten apples. You have ten friends, who each desire an apple. You give each of your friends one apple.
Now all your friends have one apple each, yet there is an apple remaining in the basket.
How?

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

Which is the smallest number that you can write using all the vowels exactly once?

Can you find the odd number in the following?

2716, 4135, 5321 and 7145

A man is sitting in a bar when a rich man sits next to him. He turns to the rich man and says, “Did you know I know almost every song that has ever existed?”

The rich man laughs. The man then says, “I bet you all the money you have in your wallet that I can sing a genuine song with a lady’s name of your choice in it. The rich man laughs again and says, “OK, how about my daughter’s name, Jamie Armstrong-Miller?” Minutes later, the man collects his cash and the rich man goes home cashless. What song did the man sing?

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?