What has no start, end, or centre?

You need to arrange three 7 and mathematical symbols to form number 1?

Why is Saturday stronger than Monday?

Can you count the number of triangles in the picture below?

When does a USA Potato change its nationality?

In the four images below, can you find the odd one out?

Jigsaw captured 100 people and make them stand in a circle and all these people are labelled as Person1, Person2, Person3... Person100. He made them play a crazy game in which Person 1 shot Person 2 and pass the gun to the next person and so on until one stands alive.

Which person will survive in the end?

A beggar on the street can make one cigarette out of every 6 cigarette butts he finds. After one whole day of searching and checking public ashtrays the beggar finds a total of 72 cigarette butts. How many cigarettes can he make and smoke from the butts he found?

What work can one never finish?

A man dies of old age on his 25 birthday. How is this possible?