What numbers should go on the bottom line?
3 6 9 15
8 2 10 12
11 8 19 27
19 10 29 39
? ? ? ?

With the help clues provided in the image, can you find the 5 digit key?

I organized a small get together at my home.
In the party , i have a barrel with some whiskey in it.

Suddenly Guest 1 say 'I bet this barrel of whiskey is more than half full'.
'No, it's less than half full' Guest 2 replied.

I don't have any measuring instrument and without removing whiskey from it , how can i determine which of the guest is right ?

The measurement of time, That can't be found on a clock, But can be looked upon on a map.

Who is He ?

What number comes next in the series?

5 15 5 18 5 24 14 20 _

How do you go from 98 to 720 using just one letter?

I am not a bull but I have horns.
I am not an ass but I have a pack saddle.
Wherever I go, I leave silver behind me.

Who am I?

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

A mules travels the same distance daily.
I noticed that two of his legs travels 10km and the remaining two travels 12km.
Obviously two mules legs cannot be a 2km ahead of the other 2.

The mules is perfectly normal. So how come this be true ?

When can we add 2 to 11 and get 1 as the correct answer?