How many words can a pen with half refill write?

Can you count the number of matches in the picture below ?

It is a nine-letter word.
The exact opposite of the phrase "friendly and outgoing"
It contains the word "over".
It starts will a vowel.

What is it?

Which number should replace the question mark?

Can you solve the below algebraic mathematical equation?

(J+O+I+N+T)3 = JOINT

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

A man and a dog were going down the street. The man rode, yet walked. What was the dog’s name?

A woman shoots her husband.

Then she holds him under water for over 5 minutes.

Finally, she hangs him.

But 5 minutes later they both go out together and enjoy a wonderful dinner together.

How can this be?

Find The Next Number in this series.
1, 2, 6, 42, 1806 ?

When it is alive we sing, when it is dead we clap our hands. What is it?