How many triangles are there on the puzzle below?

The picture shows the dice results in each couple of throws. If they are actually following a pattern, can you find out the missing one?

What word begins and ends with an E, but has only one letter?

What does this Rebus Picture mean?

Two boys were admitted to a school. When the headmaster asks them about their parents, they tell him that they have same parents (father and mother). On further inquiry, it turns out that they both share the same date for their birthday.

"Are you twins," ask the headmaster.
"No," replies the boys.

Is it possible?

Which country gets ill every time?

I have Rs.50 and I spend it in the way as below.

I always drive my customer away.

Who am I?

Considering the below equation:

V + II - VI = 10
IV - X + VIII = 20
IV - VII + VI = 30

Then, I + II + III = ?

I am five letter word that is under you.
If you remove my 1st letter, then I am over you.
If you remove my 1st and 2nd letters then I am all around you.

Who am I?