Which one of the following is the most appropriate logical formula to represent the statement?
"Gold and silver ornaments are precious".
The following notations are used:
The statement could be translated as,If $x$ is either Gold or Silver, then it would be precious. Rather than,
If $x$ is both Gold and Silver, as an item cannot both Gold and silver at the same time.
Hence Ans is (D).
Option D this is just Same as lion and tiger question https://gateoverflow.in/989/gate2006-26
"Gold and silver ornaments are precious"
For all x, x can be either Gold or Silver ornament then the x is precious.