What do you answer even though it never asks you questions?

If,

Akriti = 631
Levis = 521
Sroti = 521
Aneel = 533
Then,
Sunil =?

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?

Chef Andrea has to light the kitchen stoves to open her restaurant for the day. There are three stoves in the kitchen: A glass stove, a brick stove, and a wood stove. She only has one match. Which does she light up first?

Can you decode the below cypher?

896983327332676578

Solve the following series:
AZ, GT, MN, __, YB

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?

What two things can you never eat for breakfast?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

I am the largest in my family of fifty.
The youngest of our family lives separately from the rest of the family and so do I.
I am regarded as harsh and tough.
I am so large, you cut me in two equal halves,
each half would still be larger than the second largest member of the family.
Who am I?