If one and a half boys, eat one and a half burgers in one and a half hours.

How many burgers can 9 boys eat in 3 hours?

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

In the given figure, move three matchsticks so that the resulting figure contains two rectangles.

What does this mean?

CCCCCCC

Why 1729 is a magic number? Answer Logically.

What is so fragile that saying its name breaks it?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

I came first on earth but second on the heaven.
I also came twice in a week but found just once in a year.
I stay away from months but you can find me in February.

What am I?

Take one out and scratch my head, I am now black but once was red. What am I?

Alpha is Beta's sister.

Gamma is a Beta mother.

Delta is Gamma's father.

Tango is Delta's mother.

Then,

How is Alpha related to Delta?