What is the riddle which can be asked all day with a different correct answer each time.

Replace the question mark with the correct number.

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

There is so small cabin inside a deep forest.
All the forest burned out to worst possible but the inside of the cabin is still the same.
However all the person inside the cabin die.

How come ?

A person is found murdered in his Chamber. When the crime scene is investigated, the Investigator find out that there is a calendar on which the victim has written a few numbers with his blood. The numbers are 4, 11, 11 and 4.

There are four suspects in the murder, John, Jacob, Anna and Lee. Can you find out who is the murderer?

Complete the following series. It.s very logical:

1, 4, 5, 6, 7, 9, 11, __?

The product of three consecutive numbers is 7980.
Then the sum of these consecutive numbers would be?

What common phrase is represented by the below lines

Easy going:
Weak, 'I'm going.'
Tough, 'I'm staying.'

Medium going:
Weak, 'I'm going.'
Tough, 'I'm staying.'

Tough going:
Weak, 'I can't do it, I'm staying!'
Tough, 'Let's get going.'

How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

You have a roll of cloth 1km long. You have a machine which cuts this roll into pieces of 10-meter-long cloth.

How long would it take for the machine to cut the roll if each cut took 4 secs?