Can you solve the photo plexer logic ?

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

I travel all around the world but always stay in the corner. What am I?

I am a type of word that is spelt incorrectly or used differently, on purpose for humour. What am I?
Hint 1: You can find me in a joke.
Hint 2: I am a play on words.

what one word does the below rebus identifies?

There is a family that live in a round house. The two parents go out for a movie and leave a babysitter to watch their son. They come back and the kid was not there. Some one kidnapped him. The maid said she was cleaning in a corner. The cook said he was making pizza. The babysitter said she was getting a board game. Who kidnapped him.

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

How many people must be gathered together in a room, before you can be certain that there is a greater than 50/50 chance that at least two of them have the same birthday?

A Car is crossing a bridge 2 miles long. The bridge can only hold 10000 lbs, which is the exact weight of the car. The Car makes it half way across the bridge and stops. A bird lands on the car. Does the bridge collapse? Explain.