Multiple choice general knowledge

The time I spent in the library was a most "rewarding" one.

  1. profitable

  2. paying

  3. serviceable

  4. precious

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

In this context, "rewarding" means something that was beneficial, worthwhile, or profitable in terms of knowledge or experience gained. The time spent was valuable, making "profitable" the best synonym among the options.