Answer:
Ten men's strength, ten men's length. Ten men can't break me, yet a young boy walks off with me. What am I?
I am an odd number. Take away a letter and I become even. What number am I?
I have keys but no locks. I have space but no room. You can enter but can't go outside. What am I?
If a man carries my burden they will get crushed to death. Though not rich I leave silver in my track.
What breaks when you say its name?
Give it food and it will live, give it water and it will die.