A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

Why Wine Glass Stem is so long?

There was a minor accident with a doctor's son but the doctor noticed no major injury. After the treatment, the father of that doctors son is sitting with the son of the doctor without the doctor being in the room.

How can this be possible?

It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?

What Adam and Eve do not have but the rest of the people have?

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

A cat had three kittens: Snophy, Topsy and Jorden. What was the mother's name?

A man is surviving on an island along with his friend. They have been starving for four days for food. Suddenly, they find a fisherman. The friend goes with the fisherman in order to catch the fish (if they can find any).

The fisherman returns after some time but he is alone and has some salmon that he had prepared. When asked, the fisherman tells him that his best friend fell off the boat and drowned in the water. Starving for so long, he eats the meal while crying for his friend.

After being rescued, he goes to a diner and orders salmon. When he eats his meal, he jumps and commits suicide. Why did he do it?

In the following series, a set of numbers is progressing with a particular pattern. Can you deduce that pattern and find the missing set?

(2 + 6), (21 + 6), (58 + 6), (119 + 6), ___