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

I have teeth but i don't bite. Who Am I ?

You find yourself in a strange place guarded by two guards.One of the guard always say truth while other always lies.You don't know the identity of the two.You can ask only one question to go out from there. What should you ask?

Below, you can see some coding:
January = 1017
February = 628
March = 1335
April = 145
May = 1353
June = 1064
July = 1074
August = 186

Now deciphering the way it has been coded, can you find out how September will be coded?

There was an aeroplane crash, every single person died, but two people survived. How is this possible?

You have two jars of chocolates labelled as P and Q. If you move one chocolate from P to Q, the number of chocolates on B will become twice the number of chocolates in A. If you move one chocolate from Q to P, the number of chocolates in both the jars will become equal.

Can you find out how many chocolates are there in P and Q respectively?

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.

What has to be broken before you can use it?

Count the number of lines in the image below ?

Identify Me

Hint1: I am a god
Hint 2: I am a planet
Hint 3: measurer of heat