What does this rebus riddle means ?

John and Jenni are a married couple. They have two kids, one of them is a girl. Assume safely that the probability of each gender is 1/2.
What is the probability that the other kid is also a girl?

Hint: It is not 1/2 as you would first think.

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

What do you see in the given picture?

French Police inspects a room where there are no windows, no doors, no tables and is almost empty expect there is just a puddle of water. They found a dead man who obviously hung herself from the ceiling, but they are not able to figure out how this had happened.

John and Jacob entered the crime scene and easily able to solve the case.

How did the man die?

How many cubic feet of dirt are in a hole of one foot deep, three feet long, and two feet wide?

1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10

My thunder comes before the lightning; my lightning comes before clouds; my rain dries all the land it touches. What am I?

What is the next number in this matchsticks series riddle?

Why is the longest human nose just 11 inches?