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

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

What does this rebus means ?

PROG WORKRESS

Why do people go to bed?

No matter how little or how much you use me, you change me every month. What am I?

I am the beginning of the end, and the end of time and space. I am essential to creation, and I surround every place. What am I?

How many bricks does it take to complete a building that is 15 feet wide, 30 feet deep, and 12 feet tall made of brick?

Solve The below Equation:

ALFA + BETA + GAMA = DELTA

Role Action
Block Prevents the target player from acting
Redirect Change target player target.
Save Protects the target player from death.
Seer Sees all actions that occurred
Murderer Kills the target player

The following five players are playing:

Andy
Brian
Chris
Daniel
Fred

You are Andy the Seer and you saw the following things:
a) Brian was redirected to Chris.
b) Chris was blocked.
c) Daniel was killed.

Who is the murderer then?

Can you name any English verb that becomes its past tense by simply rearranging the alphabets ?