A mother is 21 years older than her child. In exactly 6 years from now, the mother will be exactly 5 times as old as the child.
Where's the father?

Can you complete the sequence puzzle?

AR TA GE CA LE VI LI _

What is the fastest way to double your money?

If an electric train is travelling south, then which way is the smoke going?

You have four chains. Each chain has three links in it. Although it is difficult to cut the links, you wish to make a single loop with all 12 links. What is the fewest number of cuts you must make to accomplish this task?

I am an eight letter word and I am a computer terminology.
The second, third and fourth letters make an animal.
The fourth, fifth, sixth, seventh and eighth letters make a weapon.
The first, second, third and fourth letters can be taken as an outcome of any exam.
The fifth, sixth, seventh and eighth letter combine to form a high end typing software.

Can you tell who am I ?

Which statement is true out of the following?
One statement here is false.
Two statements here are false.
Three statements here are false.

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

You board a train. The train will have to enter a tunnel soon. You are claustrophobic. Which place is the best for you to sit?

French Police inspects a room where there are no windows, no doors, no tables and is almost empty expect there is just a puddle of water. They found a dead man who obviously hung herself from the ceiling, but they are not able to figure out how this had happened.

John and Jacob entered the crime scene and easily able to solve the case.

How did the man die?