Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

Can you decipher the following common phrase?

T M C
A U O
H S M
W T E

Once upon a time, there was a castle on a square island. The entire island was surrounded by a 14m wide trench. The Romans had wanted to invade the castle and had brought a few wooden planks along with them to facilitate themselves in crossing the moat. The planks were however found to be only 13m long.

The Romans still managed to cross the trench. How did they do it?

John is looking at Jenifer, but Jenifer is looking at Jacob. John is married, but Jacob is not.

Is a married person looking at an unmarried person ?

Two batsman each on 94 runs. Seven runs needed to win in last 3 balls. Both make 100*. How?

Use the numbers 2, 3, 4 and 5 and the symbols + and = to make a true equation. Conditions: Each must be used exactly once and no other numbers or symbols can be used.

John was piloting a plane behind a car but was never able to overtake it. Why?

Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

What do the following words have in common?

Assess
Banana
Dresser
Grammar
Potato
Revive
Uneven
Voodoo

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 ?