Medium logic riddles for teens with simple answers

Mr. Jason was walking along the sea shore. Suddenly it started drizzling and turned into a heavy rain. He wasn’t carrying any umbrella, not even any cap. He was completely wet and all his clothes were soaked in rain. Yet not even a single strand of his hair was wet! How was that possible?

It is impossible to keep it until you give it someone else. What is that?

What is so delicate that saying its name breaks it?

I am not alive but I grow. I don't have lungs but I need air. What am I?

Give me food, and I will live. Give me water, and I will die. What am I?

Tall I am young, short I am old. While with life I glow, wind is my foe. What am I?

What has a head and a tail, but no body?

I have a bed but I do not sleep. I have a mouth but I don't eat. You hear me whisper, but I never talk. You can see me run, yet I never walk. What am I?

I repeat only the last word you say. The more I repeat, the softer I got. I cannot be seen but can be heard. What am I?

There is bomb on top of a computer; around the computer are a hairbrush, keys, phone and a cup. When the explosion comes, what item destroyed first?