If an earthquake is 1 point higher on the Richter Scale than another earthquake which is actually 10 times stronger, how much stronger would an earthquake be if it was just half a point higher on the Richter scale?

Can you solve this picture maths equation?

Which English verb becomes past tense just by rearranging the letters?

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.

Consider this: Arnold Schwarzenegger has a big one. Michael J. Fox has a small one. Prince doesn’t have one. The Pope has one but never uses it. Bill Clinton has one and uses it all the time. What is it?

What can you catch but never throw?

How do you go from 98 to 720 using just one letter?

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

Which country gets ill every time?