What does an Island and the letter T have in common?

What has lots of eyes, but can’t see?

Replace the question mark with the correct number below.

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

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

Twice ten are six of us,

Six are but three of us,

Nine are but four of us;

What can we possibly be?

Would you know more of us?

Twelve are but six of us,

Five are but four, do you see?

What are we?

In particular commonwealth games, a female participant won silver and gold medals for a single event.

How can this be possible?

How can one talk without saying a single word?

Can you find out the missing number in the grid?

Decode this picture on T-Shirt and tell what it says ?