QUESTION: Generate a question with a factual answer?

ANS: What numeral system originated in India?

QUESTION: Generate a question with a factual answer?

ANS: What term was coined when Greece left the eurozone?

QUESTION: Generate a question with a factual answer?

ANS: What north sea port was the secondary target for bombers that could not find their primary target?

QUESTION: Generate a question with a factual answer?

ANS:
Who are currency readers meant to assist?