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

People make me, save me, change me, raise me. What am I?

Take one out and scratch my head, I am now black but once was red. What am I?

You are a cab driver who pools passengers. You pick 3 people from a destination and drop 1 after an hour. 2 people climb aboard at the same time and you drop 3 at the next destination. After some time, you pick 2 passengers only to drop 1 after a short distance where 3 more passengers climb up the cab. You leave the rest of the passengers one by one to their destination and then come back home.

Can you tell the eye color of the cab driver?

The picture shows the dice results in each couple of throws. If they are actually following a pattern, can you find out the missing one?

What jumps when it walks and sits when it stands?

What kind of band never plays music?

There are 3 apples in the basket and you take away 2. How many apples do you have now?

Imagine you are in a room with no windows or doors. How will you get out?

Find the mistake in the below maths equations

A = 2
A(A-1) = 2(A-1)
A2-A = 2A-2
A2-2A = A-2
A(A-2) = A-2
A = 1