John bought a used car for $600 and sold it to Mary for $800. He later bought it back for $1000 and resold it for $1200. How much profit did John make?

I am enjoyed by some, despised by others. Some take me for granted, some treasure me like a gift. I last forever, unless you break me first. What am I?

It takes 10 minutes to fry one steak – 5 minutes from each side. Two steaks can fit on a pan. What is the shortest possible time to fry 3 steaks?

A pregnant lady named her children: Dominique, Regis, Michelle, Fawn, Sophie and Lara. What will she name her next child? Jessica, Katie, Abby or Tilly?

A boy has as many sisters as brothers, but each sister has only half as many sisters as brothers. How many brothers and sisters are there in the family?

A man wants to buy a used car. He finds a beautiful Buick for $9500, but he buys it without paying a dime (10¢ coin). How did he manage to do this?

I’m white, and used for cutting and grinding. When I am damaged, humans usually remove or fill me. For most animals I am a useful tool. What am I?

I have 25 coins that are made up of dimes (10¢), nickels (5¢) and pennies (1¢). They add up to a dollar. How many coins of each do I have?

Add punctuation to the following phrase to make something grammatically and logically coherent: is is not not not is not is is is is not is not is it not

My voice is tender, my waist is slender and I’m often invited to play. Yet wherever I go I must take my bow or else I have nothing to say. What am I?

A patient is given five different tablets to take at night at an interval of 15 minutes. How long will it take the patient to consume all the five tablets?

If you have 30 white socks, 22 black socks and 14 blue socks scattered across the floor in the dark, how many would you have to grab to get a matching pair?

A prisoner is told, “If you tell a lie we will hang you; but if you tell the truth we will shoot you”. What can the prisoner say to save himself?

There is a dead frog in the center of a pond. If it hops one meter at a time and it is three meters from the edge, how many hops does it take to reach the edge.

There are four days that start with the letter ‘T’. Two of them are ‘Tuesday’ and ‘Thursday’. Can you name the remaining two?