Can you find a five letter word that is left with only two letters if one is removed?

What can you serve, but never eat?

What does this mean?

CCCCCCC

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

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

John can place six large boxes or nine small boxes into a carton.

Can you find out in how many cartons can he place sixty-six boxes in total?

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

Can you solve the equation by finding the value of
A) Horse
B) Cowboy boot
C) Horseshoe

In the Picture?

You are trapped in a room with two doors. One leads to certain death and the other leads to freedom. You don't know which is which.
There are two robots guarding the doors. They will let you choose one door but upon doing so you must go through it.
You can, however, ask one robot one question. The problem is one robot always tells the truth, the other always lies and you don't know which is which.
What is the question you ask?

Can you fill the blank with the correct number?

6 30 870 756030 _____