How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

What are the next two letters in the following series and why?
W A T N T L I T F S _ _

*Hint: Check Puzzle Title

Astrology starts with the alphabet A, Biology starts with B, Psychology with P and Limnology with L.

Can you find an "ology" that begins with a P?

In one of the popular batman series movie "Batman Forever", there was a riddle that goes like "Tear me off and then scratch my head and I was red then and now I am back. Who am I?

What brings you down but never up?

Can you complete the sequence?

192, 021, 222, 324, 252, 627, 2__, 9__?

You need to arrange three 7 and mathematical symbols to form number 1?

A person was found dead on a big green land with no trees or buildings around. When the police arrived, they found a piece of rock lying next to him and the man was wearing clothes comprising of red, blue and yellow colours.

Can you tell who the person is and what was the cause of death?

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

Our product and our sum always give the same answer. Who are we?