How many packets of biscuits do United Biscuits sell in a year?   Answer here.

What happens to 25% of the population when they are exposed to light?   Answer here.

What is the speed of light?   Answer here.

What is the Latin name for guinea pig? What does it mean?   Answer here

How much can Leylandii trees grow in one year?   Answer here

How fast does Heinz tomato ketchup come out of the bottle?   Answer here