Cristina was born in 1888. She just had her 30th birthday today how did that happen?

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

It is raining today at 11:59 am. What is the probability of sunny weather after 72 hours?

Two boys were admitted to a school. When the headmaster asks them about their parents, they tell him that they have same parents (father and mother). On further inquiry, it turns out that they both share the same date for their birthday.

"Are you twins," ask the headmaster.
"No," replies the boys.

Is it possible?

What number do you get when you multiply all of the numbers on a telephone's number pad?

"That Restaurant always remains crowded. This is the reason why nobody goes there".

Can you find a flaw in this statement?

In a jungle where there are no street lights or any other artificial source of lights, I notice a black snake crossing the road.
How did I get sight of the snake?

How can you make number one disappear by adding something to it?

Can you find a five letter word that is left with only two letters if one is removed?

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?