When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

How can you tell a raw egg from a hard-boiled egg?

John was running from 40 thieves. John has got 3 gold boxes which weigh as 4kg, 2kg, and 1kg respectively. A witty man asked John to stay with him for seven days in exchange for 1kg gold per day. John needs to stay there for seven days and also do not want to give the witty man any advance. How can John pay for his seven days stay?

Why 1729 is a magic number? Answer Logically.

How many triangles can you count in the figure given?

There once were seven dwarfs who were all brothers. They were all born two years apart. The youngest dwarf is seven years old. How old is his oldest brother?

How many sides does a circle have?

John was so frustrated to be the suspect of being a sleeper terrorist that he shoot himself right between the eyes with a revolver in his toilet. The revolver and the bullets were accurate. Minutes later John walks out of the toilet unharmed.
How can this be possible?

I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?

I can be cracked, made, told, and played. What am I?