Find the number of squares in the below-given picture.

I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?

Can you solve the equation by finding the value of
A) Horse
B) Cowboy boot
C) Horseshoe

In the Picture?

What is wrong in the below Picture?

Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.

You are in a room with no metal objects except for two iron rods. Only one of them is a magnet.
How can you identify which one is a magnet?

You can see it everyday, But cannot touch it at will. What is it?

An artist while painting a scenic beauty, decides to paint three layers of blue colour on the sky.

Which layer will go on the first?

Things are just as they seem, right? Well, check again.
Can you count the number of tigers in this picture ?

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?