Can you fill the blank with the correct number?

6 30 870 756030 _____

Count the number of balls in picture below:

Why do you find that most of the buildings are deprived of the 13th floor?

I am lying and I always lie. Tell me whether I am lying or telling the truth.

Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?

What is full of holes but still holds water?

A spaceship was lost. The detective was given a piece of paper. This was the location of the spaceship! This is what the slip had scribbled on it:
Juice, Umbrella, Potato, Ice, Tomato, Elephant, Rice.

Where is the spaceship?

I am a white box having no key or lid.
Yet there is a golden treasure inside it.

What Am I?

James Bond is caught up in a mysterious scenario where the evil villain has him blindfolded. He somehow breaks through the handcuffs but is unable to get the blindfold off. Upon searching, he comes across a bow and 3 arrows. He can hear the villain speak, and thus tries to take a shot at him. He launches the first arrow, it misses the villain. He then launches the second arrow and it misses by a greater margin.

What is the probability that this third shot our James bond takes will be worse than the second shot?

If I put in one bird per cage, I have one bird too many. If I put in two bird per cage, I have one cage too many. How many cages and birds do I have?