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.

I can be cracked, made, told, and played. What am I?

Why is the Hole below a Lock?

There are three light switches outside a room. One of the switches is connected to a light bulb inside the room.
Each of the three switches can be either 'ON' or 'OFF'.

You are allowed to set each switch the way you want it and then enter the room(note: you can enter the room only once)

Your task is to then determine which switch controls the bulb?

If Japan and Panama decided to merge into a single country, probably people will name it Japanama.

Can you think of two more such country's unions that could produce similar names like Japanama by overlapping their three letters?

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

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

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

Which digit occurred maximum times between the number 1 and 1000?