Twice ten are six of us, Six are but three of us, Nine are but four of us; What can we possibly be? Would you know more of us? Twelve are but six of us, Five are but four, do you see? What are we?
No. of Letters in the digit.
My brother started out from Boston, and I started out from New York, to meet in New Haven for lunch. When we met in New Haven, which of us was farther from Boston?
You have ten lanterns, five of which are working, and five of which are broken. You are allowed to choose any two lanterns and make a test which tells you whether there is a broken lantern among them or not. How many tests do you need until you find a working lantern?
The two of us keep a low profile Without us you would not be mobile
Seldom looked at but frequently used We're often depressed but not abused
Side by side with functions opposite Managing the go and stop of it
What are we?
