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

I live in a bowl. I can swim. I have a tail. I also have fins and big eyes. What am I?

How can you take 2 from 5 and leave 4?

The Puzzle: A girl, a boy, and a dog start walking down a road.

They start at the same time, from the same point, in the same direction.

The boy walks at 5 km/h, the girl at 6 km/h.

The dog runs from boy to girl and back again with a constant speed of 10 km/h. The dog does not slow down on the turn.
How far does the dog travel in 1 hour?

My first is in chocolate but not in ham. My second is in cake and also in jam. My third at tea time is easily found. Altogether, this is a friend who is often around. What is it?

What has one letter and starts with an E?

Before Mount Everest was discovered, what was the highest mountain in the world?

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

They do not possess flesh or feathers or scales or bone
But still, they are blessed with fingers and thumbs of their own.

When I get multiplied by any number, the sum of the figures in the product is always me. What am I?