What does this rebus riddle means ?

What is more useful when it is broken?

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

Can you find the missing piece of the Porsche?

I am 5 letters long.
My first two tell you who I am
My first 3 could be a medicine
My last three reversed could be a young boy.
My 4th, 3rd and 2nd in that order could be a fruit drink.
If you have me you may hang me round your neck
WHAT AM I ?

Until it is measured, not known. Yet how you miss it when it has gone. What is it?

There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

A spaceship was lost. The detective was given a piece of paper. This was the location of the spaceship! This is what the slip had scribbled on it:
Juice, Umbrella, Potato, Ice, Tomato, Elephant, Rice.

Where is the spaceship?

Find the number of squares in the below picture

A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?