What do you answer even though it never asks you questions?

On my way to St. Ives I saw a man with 7 wives. Each wife had 7 sacks. Each sack had 7 cats. Each cat had 7 kittens. Kittens, cats, sacks, wives. How many were going to St. Ives?

A mile-long train is moving at sixty miles an hour when it reaches a mile-long tunnel. How long does it take the entire train to pass through the tunnel?

What English word has three consecutive double letters?

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

There was a strange boy who was born before his father. How can this be possible?

When you stop to look, you can always see me. But if you try to touch me, you can never feel me. Although you walk towards me, I remain the same distance from you. What am I?

If in a car race, the man who came two places in front of the last man finished one ahead of the man who came fifth, how many contestants were there?

Different lights make me strange by changing me into different sizes. What am I?

What can you see in the middle of March and April that you can never see in any other month?