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

In particular commonwealth games, a female participant won silver and gold medals for a single event.

How can this be possible?

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?

If you read clockwise, you can form a word by inserting three missing letters in the picture given below. Can you do it?

Move three sticks of the spiral below to form a square.

I had an infinite supply of water and 5 litres and 3 litres jars.

How would you measure exactly 4 litres in the least number of steps?

What is common among 11, 69, and 88?

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

A man has a barrel filled with oil that weighs 100 pounds, and then he puts something into it. Now the barrel weighs less than 100 pounds. What did he put in the barrel?

Can you identify if it's a murder or a suicide ?