John was piloting a plane behind a car but was never able to overtake it. Why?

John killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

What is the riddle which can be asked all day with a different correct answer each time.

Considering the below equation:

V + II - VI = 10
IV - X + VIII = 20
IV - VII + VI = 30

Then, I + II + III = ?

Twice ten are six of us,

Six are but three of us,

Nine are but four of us;

What can we possibly be?

Would you know more of us?

Twelve are but six of us,

Five are but four, do you see?

What are we?

Can you complete the sequence puzzle?

AR TA GE CA LE VI LI _

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

Two trains start at the same time, one from Bangalore to Mysore and the other from Mysore to Bangalore. if they arrive at their destinations one hour and four hours respectively after passing one another, how much faster is one train running than the other?

A dead body is found outside a multi-story multinational company. The case is reported and a homicide detective is called on the crime scene.

He looks at the body and then towards the building. From the position of the body, it is evident that the victim committed suicide. He goes to the first floor of the building and then walks in the direction of the dead body, opens the window and toss a coin in the air.

He goes to second floor and again repeats the process. He keeps doing this till he is done on all the floors. Then he returns back to the floor and tells his team that it is a murder.

How in heaven did he deduce that?

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?