Spot 5 differences in two Christmas tree below:

A chess tournament is taking place on knock-out terms (the one who loses the match is out of the game).
(a) If 10 matches are played in total, how many players participated?
(b) If 20 players took part in the tournament, how many matches were played?

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

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

What word is represented by this rebus?

As you can see that fifteen matches have been used to form an arrangement. What you have to do is remove any six of them to make them ten.

What occurs twice in a week, once in a year but never in a day?

Can you spot what's wrong with the following sentence?

PETER WAS ANGRY AT
HIMSELF BECAUSE HE
ACCIDENTALLY LEFT THE
THE KEYS TO HIS CAR
AT HIS FRIEND'S HOUSE.

I am not a bull but I have horns.
I am not an ass but I have a pack saddle.
Wherever I go, I leave silver behind me.

Who am I?

How many words can a quill made with the feather of a pigeon write with a 100ml bottle of black ink?