Christina is older than Kareena and Karishma. Katrina is older than Karishma and younger than Kareena. If Kareena has a brother named John, who is older than Christina, who's the youngest?

A girl says this to her best friend: “I was born in 1955, and I celebrated my 17th birthday last weekend.” Her best friend thinks she’s lying, but she’s actually correct. How is that possible?

I look at you, you look at me, I raise my right, you raise your left. What am I?

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

What is the last thing you take off before bed?

A man is approaching a broad and barren land. He has a package with him. If somehow, he is unable to open the package before reaching the land, he will die.

Can you guess what is present in the package?

What do you see in the given picture?

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

Why is the Hole below a Lock?

Can you find the ages of a son, father and grandfather based on the following facts?
The sum of the ages of grandfather, father and son is 140 years.
The age of the son in months is the same as the grandfather in years.
The age of the son in days is the same as the father in weeks.