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.

Make a sentence consisting of three words that have the whole alphabet.

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?

Can you find a number that lies one third of the distance between 1/3 and 2/3?

Can you find the odd number in the following?

2716, 4135, 5321 and 7145

People make me, save me, change me, raise me. What am I?

When monkey rotate the gear, which mark will be hit 1 or 2 ?

My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?

A Shopkeeper sold a few chickens to four different customers on a particular day. It was such that each customer purchased half of the remaining chickens and half the chicken more.

Can you find out how many chicken were sold by the shopkeeper on that day if we tell you that the fourth customer bought a single chicken ?

What is the difference between a jeweller and a jailer?