What has 13 hearts but no other organs?

What does this below rebus puzzle mean?

I have an eye but still cannot see.

Who am I?

The more you take me, the more you leave me behind.
Who Am I?

The first two letters signify a male, the first three letters signify a female, the first four letters signify a great, while the entire world signifies a great woman. What is the word?

I am the fastest animal but cannot climb the tree. What am I?

John buys rice at Rs.60/kg from Britain and then sells them at Rs.5/kg in India. As a result of this, he becomes a millionaire. How come?

Can you find out the remainder when 3^300 is divided by 5?

Find the missing letter in the last circle logically in the given below picture.

There are three houses in a straight row. One is red, one is blue, and one is white. The red house is left of the middle. The blue house is right of the middle. Where's the white house?