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

In a town, there are over 100 flats.
Flat-1 is named first flat.
Flat-2 is named second flat.
Flat-3 is named third flat.

A visitors 'Victor' decides to walk through all the flats, he finds all the flats except flat-62.
Victor later founds that the local of the town have given it another name.

What is the name of the Flat?

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

There are 2 people near the river and both of them want to get on the other side. The boat can only take one of them. But they got across.
How?

A thief enters a store and threatens the clerk, forcing her to open the safe. The clerk says, “The code for the safe is different every day, and if you hurt me you’ll never get the code.” But the thief manages to guess the code on his own. How did he do it?

A bomb goes off.
Carnage.
One person, only a few feet away, survives! How can this be?

There’s a one-story house in which everything is yellow. Yellow walls, yellow doors, yellow furniture. What colour are the stairs?

How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

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?