Replace the question mark with the number below given a simple math problem.

I have branches, but no fruit, trunk or leaves. What am I?

How many words can a pen with half refill write?

Replace the letters of words with a number so that the below equation holds true

BASE +
BALL
---------
GAMES
----------

I got a bee but no honey.
got an eye but am still blind.
got a sea but no water.
got a tea but no coffee.
got a why but no answer.

What Am I?

A game is being played where eight players can last for thirty-five minutes. Six substitutes alternate with each player in this game. Thus, all players are on the pitch for the same amount of time including the substitutes.

For how long is each player on the pitch?

What common phrase is represented by the below lines

Easy going:
Weak, 'I'm going.'
Tough, 'I'm staying.'

Medium going:
Weak, 'I'm going.'
Tough, 'I'm staying.'

Tough going:
Weak, 'I can't do it, I'm staying!'
Tough, 'Let's get going.'

Count the number of squares in the picture below.

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99