A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?

In the figure, you can see nine stars. What you have to do is connect all of them by using just four line and without lifting your hand i.e. in a continuous flow.

I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

Why is the Hole below a Lock?

Can you solve the maths in the below-given picture equation?

Manish and Manoj play 5 games of chess.
Both Manish and Manoj win the exact same number of games. There is no tie at all.

How?

As shown in the image, the nine Dogs are square fenced. By constructing just two square fences can you make sure that two Dogs cannot meet each other without crossing the fence?

How many Watermelons are there in the below picture?

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

Can you find the missing piece of the Porsche?