With the help clues provided in the image, can you find the 5 digit key?

What number comes next in the series?

5 15 5 18 5 24 14 20 _

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

I know a 5-digit number having a property that With a 1 after it, it is three times as large as it would be with a one before it.

Guess the number?

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.

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

Find the next number in the series

12, 20, 40, 72, 116, 172 ?

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

By what process could you make a 'Tea-Table' into food?

Spot what is wrong here in below Picture?