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

How can one talk without saying a single word?

Only one colour, but not one size,
Stuck at the bottom, yet easily flies.
Present in sun, but not in rain,
Doing no harm, and feeling no pain.
What is it?

Spot 5 differences in two Christmas tree below:

If we add four times the age of John four years from now to five times his age five years from now we get ten times his current age.

How old will John be two years from now?

Can you place three balls such that the equation shown in the picture holds true?

If eleven plus two equals one, what does nine plus five equal?

John replied, when asked how old he was. In 2 years he will be twice as old as he was five years ago.' How old is he ?

What breaks yet never falls, and what falls yet never breaks?

With pointed fangs I sit and wait; with piercing force I crunch out fate; grabbing victims, proclaiming might; physically joining with a single bite. What am I?