What is so fragile that saying its name breaks it?

A few friends are enjoying their sea voyage in a boat full of apples. On the way, they felt hungry and thus decided to eat the apples. Together, they ate two dozen of apples. When they have eaten the apples, will there be any change in the water level?

I have lakes with no water, mountains with no stone and cities with no buildings. What am I?

It is raining today at 11:59 am. What is the probability of sunny weather after 72 hours?

There were two grandmothers and their two granddaughters.
There were two husbands and their two wives.
There were two fathers and their two daughters.
There were two mothers and their two sons.
There were two maidens and their two mothers.
There were two sisters and their two brothers.
Yet there are only six, who are buried here,
All are born legitimate and relationships clear.
How can this happen?

That attorney is my brother, testified the accountant.

But the attorney testified he didn't have a brother.

Who is lying?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

Can you calculate the probability of getting a sum of six when a dice is thrown twice?

What runs around the whole yard without moving?

Be active and find the killer in the picture Riddle below.