What English word has three consecutive double letters?

Move four matchsticks to the below square to form three squares?

I have two coins.
* One of the coins is a faulty coin having a tail on both sides of it.
* The other coin is a perfect coin (heads on side and tail on other).

I blindfold myself and pick a coin and put the coin on the table. The face of the coin towards the sky is the tail.

What is the probability that another side is also tail?

If,

A + B = C
D - C = A
E - B = C

Based on the above equations, find out the answer for:

D + F = ?

You see me once in June, twice in November, and not at all in May. What am I?

Given that

(78)^9 = 6
And (69)^4 = 11

Can you find out

(99)^2 =?

(Note: This is Logical, not Mathematical)

Can you find the odd number in the following?

2716, 4135, 5321 and 7145

A shepherd had 18 sheep, out of which, all but ten died.

Can you tell us how many sheep was he left with?

Which country gets ill every time?

The following "Brain Bat" means Slow Down.
S
L
O
W

Using the same logic, can you tell us what does the following Brain Bat means ?
E
V
I
G