Answer:
What can be measured but not seen?
Who is he that runs without a leg. And his house on his back?
A man went to the hardware store to buy items for his house. 1 would cost $.25. 12 would cost $.50. 122 would cost $.75. When he left the store he had spent $.75, what did he buy?
Once they sailed the sea, now they surf the web
Alive without breath, As cold as death, Clad in mail never clinking, Never thirsty, ever drinking
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?