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

No one wants to have it, but if one got it, he does not want to lose it. What is It?

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

Solve below popular number sequence
314 159 265 358 979 323 846 ?

How many cubic feet of dirt are in a hole of one foot deep, three feet long, and two feet wide?

What does the below image rebus riddle means ?

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

I am an eight letter word and I am a computer terminology.
The second, third and fourth letters make an animal.
The fourth, fifth, sixth, seventh and eighth letters make a weapon.
The first, second, third and fourth letters can be taken as an outcome of any exam.
The fifth, sixth, seventh and eighth letter combine to form a high end typing software.

Can you tell who am I ?

There is so small cabin inside a deep forest.
All the forest burned out to worst possible but the inside of the cabin is still the same.
However all the person inside the cabin die.

How come ?

If Bihan is 10, Anirudha is 20, and Kim and Seal are both 5, but Rikold is 10, how much is Kenniger by the same trend?