How many cubic feet of dirt are in a hole of one foot deep, three feet long, and two feet wide?

I am the largest in my family of fifty.
The youngest of our family lives separately from the rest of the family and so do I.
I am regarded as harsh and tough.
I am so large, you cut me in two equal halves,
each half would still be larger than the second largest member of the family.
Who am I?

Using eight eights and addition only, can you make 1000?

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

Vin Diesel is pulling a theft and has planned to run away with all the cash kept in the safe. But the only way to open the safe is the 13 character password. He has a set of five clues given to him by a trustworthy source.

Exactly two of the below statements are false.
The password is contained within this sentence.
The password is not in this hint.
The password is within only one of these statements.
At least one of the above statements is a lie.

How many minutes are there in Feb 2017?

Note: The shortest answer is the correct answer.

What always comes into a house through the keyhole?

Complete the series by replacing "?" with the correct number.

ST ND RD TH '?'

There is a box in which distinct numbered balls have been kept. You have to pick two balls randomly from the lot.

If someone is offering you a 2 to 1 odds that the numbers will be relatively prime, for example
If the balls you picked had the numbers 6 and 13, you lose $1.
If the balls you picked had the numbers 5 and 25, you win $2.

Will you accept that bet?