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

Count the number of times the letter "F" appears in the following paragraph:

FAY FRIED FIFTY POUNDS OF
SALTED FISH AND THREE POUNDS
OF DRY FENNEL FOR DINNER FOR
FORTY MEMBERS OF HER FATHER'S FAMILY.

Can you replace the question mark with the correct number in the below table sequence?

In a classic wine shop, the list of three most popular wines are:
- The cost of 1 French wine bottle: 500$
- The cost of 1 German wine bottle: 100$
- The cost of 20 Dutch wine bottles: 100$

John entered the wine shop and he needs to buy
- All three types of wine bottles.
- Needs to buy Dutch wine bottles in multiples of 20.
- Need to buy 100 wine bottles in total.

John has only 10000$. How many wine bottles of each type, John must buy?

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?

A bomb exploded in a room full of married couples and no one died. How?

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

John said, "If yesterday was tomorrow, today would be Friday."

When did John make this statement?

What can you see in the middle of March and April that you can never see in any other month?

If six children and two dogs were under an umbrella, how come none of them got wet?