UPSC CSE Prelims 1995 Q142 — Science & Technology PYQ

1995Q142·Science & Technology·Quantitative Aptitude

One of the drawers is opened at random and a coin is drawn. It is found to be a silver coin.

What is the probability that the other coin in the drawer is a gold coin?

UPSC CSE Prelims 1995 Q142 — Science & Technology PYQ with Answer

UPSC CSE Prelims 1995 Q142 — Science & Technology PYQ with Answer