A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

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?

A new Engineering building containing 100 offices had just been completed. John was hired to paint the numbers 1 to 100 on the doors. How many times will John have to paint the number nine (9)?

Chef Andrea has to light the kitchen stoves to open her restaurant for the day. There are three stoves in the kitchen: A glass stove, a brick stove, and a wood stove. She only has one match. Which does she light up first?

Find three whole, positive numbers that have the same answer when multiplied together as when added together.

You see a mathematical expression in the picture. Can you think of a movie that this expression refers to?

On a beautiful Sunday morning, You ordered a hot tea to your hotel room and suddenly you remember an important thing that needed to be done right now will take around 3 minutes to complete.
Like most people you like your tea to be hot while drinking so, when should you pour cream in the tea?
1. straight away
2. Just people, you drink the team
3. Its does not matter

Make eight squares by moving only two matchsticks.
Note- Square can be of different sizes.

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

Prove that twice of ten is the same as twice of eleven.