What has 13 hearts but no other organs?

Can you divide the below-given shape into four equal and identical pieces?

Which country gets ill every time?

A shepherd had 18 sheep, out of which, all but ten died.

Can you tell us how many sheep was he left with?

Remove two matchsticks to make the below equation correct.

Replace the question mark with the correct number below.

When is the top of a mountain similar to a savings account?

2 ladies and 2 girls need to cross a river in a boat big enough for 1 LADY or 2 girls. How do they do it?

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?

Cristina leaves home and then she makes exactly 3 left turns and returns home where she found 2 girls wearing the mask.

Who are these two masked girls?