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

Decode below rebus
D
N
A
T
S , D

Replace the question mark with the correct number below.

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?

He runs but never walks. Murmurs, but never talks. Has a bed, but never sleeps. And has a mouth, but never eats?

Jigsaw captured 100 people and make them stand in a circle and all these people are labelled as Person1, Person2, Person3... Person100. He made them play a crazy game in which Person 1 shot Person 2 and pass the gun to the next person and so on until one stands alive.

Which person will survive in the end?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

There are three boxes on a table. One of the box contains Gold and the other two are empty. A printed message contains in each box. One of the message is true and the other two are lies.

The first box says "The Gold is not here".

The Second box says "The Gold is not here".

The Third box says "The Gold is in the Second box".

Which box has the Gold?

Why do Chinese men eat more rice than Japanese men do ?

As a whole I am both
safe and secure.

Behead me and I become
a place of meeting.

Behead me again and I am
the partner of ready.

Restore me, and I become
the domain of beasts.

What am I?