What will you call your mother's brother's brother-in-law?

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

using four eights (8) and a one (1) and one mathematical symbol , create the number 100

In a rainy season, one day 3 huge ladies walked under a normal-sized umbrella.
The umbrella is not huge enough to accommodate all 3 ladies yet not a single lady got wet. Why?

I’m tall when I’m young, and I’m short when I’m old. What am I?

If you drop a 15 kg iron bar and a 5 kg bag of cotton from a height of 50 meters which will reach the ground first?

Find the missing number in the sequence below:

A sea diver is a real show-off. He showed everyone that he can hold his breath underwater for 15 minutes.

I went to the diver and told him that I can be underwater for double the time i.e 30 minutes.
He responded that he will give me 100$ if I would be able to do it. I won 100$.

What did I do?

What time is it when an elephant sits on a fence?

Lifeless eyes on my smiling face and watch your child's sleeping place. In their dreams they hold me tight. What am I?