Can you count the number of lines in the below picture?

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

Find the hidden tiger in the given optical illusion ?

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

I come in different shapes and sizes.
Parts of me are curved, other parts are straight.
You can put me anywhere you like,
but there is only one right place for me.
What am I?

Can you count the number of seconds in a year?

Clue: You need to bother about calculation.

What Deficiency does the below rebus represent?

VIT_MIN

The captain of a ship was telling this interesting story: "We travelled the sea far and wide. At one time, two of my sailors were standing on opposite sides of the ship. One was looking west and the other one east. And at the same time, they could see each other clearly." How can that be possible?

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

Why do you find that most of the buildings are deprived of the 13th floor?