While preparing the table for dinner, wife came up with an idea to tease his mathematician husband. She asked her husband to pick nine toothpicks and make ten without breaking any toothpick.

The husband was also smart and did it within seconds. How ?

A worker is to perform work for you for seven straight days. In return for his work, you will pay him 1/7th of a bar of gold per day. The worker requires a daily payment of 1/7th of the bar of gold. What and where are the fewest number of cuts to the bar of gold that will allow you to pay him 1/7th each day?

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

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

What has many keys but can’t open a single lock?

How many times do a clock's hands overlap in a day ?

Find out the number of circles in the given picture having Illusion

You walk into an old horror house. It has no power or plumbing. Once inside, you see three doors. Each door has a number on it. Behind each door is a way for you to die. Behind door number one, you die by getting eaten by a lion. Behind door number two, you die by getting murdered. Behind door number three, you die by an electric chair. You can’t turn back, so you have to go through a door. Which door do you go through?

You can hear me, but you can't touch or see me.

What am I?

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?