Answer:
Big as a saucepan, deep as a cup, Even a river can't fill it up. What is it
Is always in front of you but cannot be seen?
It's tough as nails, Or soft as snow. People use it for their rink, Some just put in their drink.
Round and round I go never stopping in a continuous flow. I hang out with numbers each and every day and nothing ever gets on my way. What am I?
One more than a duet.
Which bank is not used for storing money?