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

How could a baby fall out of a twenty-story building onto the ground and live?

Can you fill the blank with the correct number?

6 30 870 756030 _____

Jim and Sarah are in a long-distance relationship. Jim buys an engagement ring for Sarah and wants to mail it to her. Unfortunately, the only way to ensure the ring will be received is to place a lock on the package. Jim has locks and Sarah has locks, but neither has keys for each other’s locks. How can they make sure the ring isn’t stolen?

Four people need to cross a rickety bridge at night. Unfortunately, they have only one torch and the bridge is too dangerous to cross without one. The bridge is only strong enough to support two people at a time. Not all people take the same time to cross the bridge. Times for each person: 1 min, 2 mins, 7 mins and 10 mins. What is the shortest time needed for all four of them to cross the bridge?

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

A doctor and a boy were fishing. The boy was the doctor’s son, but the doctor was not the boy’s father. Who was the doctor?

Solve below popular number sequence
314 159 265 358 979 323 846 ?

I am an odd number. Take away a letter and I become even. What number am I?

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