Can you find the missing piece of the Porsche?

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

Two girls were born to the same mother, on the same day, at the same time, in the same month and year and yet they're not twins. How can this be ?

How many words can a pen with half refill write?

No one wants to have it, but if one got it, he does not want to lose it. What is It?

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

Three people are in a room. Ronni looks at the Nile. The Nile looks at Senthil. Ronni is married but Senthil is not married. At any point, is a married person looking at an unmarried person? Yes, No or Cannot be determined.

How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

An office is divided into 8 cubicles. How many of the cubicles are painted if only 1/8 of the cubicles are painted?

What can go up a chimney down, but can’t go down a chimney up?