What month do people sleep the least

What has many keys, but can't even open a single door?

I come from a mine and get surrounded by wood always. Everyone uses me. What am I?

How many letters are in alphabet?

What goes up but never comes down?

How many months have 28 days?

I am played with a racquet.

My ball has feathers on it.

Kids love to play me outdoors in the summer.

I have a very funny name.

I am a team sport and an individual sport.

Men and women play me.

I am an Olympic sport too.

Kids love to play me.

You need a really heavy ball.

If you get a strike, it is great news.

If my ball goes into the alley, that is not good.

I can be a team or an individual sport.

I am played indoors.

When things go wrong, what can you always count on?

What becomes wetter the more it dries?

What is full of holes but still holds water?

I speak without a mouth and hear without ears. I have no body, but I come alive with wind. What am I?

What word in the English language does the following: the first two letters signify a male, the first three letters signify a female, the first four letters signify a great, while the entire world signifies a great woman. What is the word?

I come from a mine and get surrounded by wood always. Everyone uses me. What am I?

Give me food, and I will live; give me water, and I will die. What am I?

Which is heavier? A pound of feather or a pound of rocks?

When I was 6 years old, my sister was half my age. Now I am 50 years old.

How old is my sister now?