THERE ARE 5 PEOPLE IN THE ROOM I ARRIVE AND KILL ONEHOW MANY PEOPLE ARE LEFT RIDDLES WITH ANSWERS TO SOLVE - PUZZLES & BRAIN TEASERS

Firstly, the backyard and garden are the same. The answer is the same for both backyard and garden. As per the riddle, if you kill 30 people, the other 4 people escape from the garden. So 30 people are killed and 4 people escape from the backyard. Only the killer was left in the garden. Hence only 1 person was in the garden. Did you answer this riddle correctly?
YES  NO  

At least 23 people. Did you answer this riddle correctly?
YES  NO  

Winter Did you answer this riddle correctly?
YES  NO  

A tornado Did you answer this riddle correctly?
YES  NO  

I escaped on the 2nd floor Did you answer this riddle correctly?
YES  NO  

February, it's the shortest month after all. Did you answer this riddle correctly?
YES  NO  

Make applesauce. Did you answer this riddle correctly?
YES  NO  

Dozens. Did you answer this riddle correctly?
YES  NO  

The letter U. Did you answer this riddle correctly?
YES  NO  

Sunglasses. They sit on the bridge of your nose, you look through it but other people wonder what I hide. Did you answer this riddle correctly?
YES  NO  

Because it scares their guide dog! Did you answer this riddle correctly?
YES  NO  

What, Still, Occasionally, Later, Never, Happily Did you answer this riddle correctly?
YES  NO  

Greece Did you answer this riddle correctly?
YES  NO  

A map. Did you answer this riddle correctly?
YES  NO  

Queue, Q Did you answer this riddle correctly?
YES  NO