The phrase "a problem about which" is correct and usable in written English.
It can be used when discussing a specific issue or concern that requires attention or resolution.
Example: "The committee is addressing a problem about which many members have expressed their concerns."
Alternatives: "a problem regarding" or "an issue concerning".
Thus, there is a problem about which of these levels to choose as target level.
That is a problem about which the philosopher above all worries about.
Once in a car, crooks can steal whatever is in it, and, while most of the recent issue has been just that, they can also potentially connect a device to the vehicle's diagnostic port in an effort to download sufficient information in order to create a key to drive and steal the vehicle, a problem about which the British police are now warning.
Is this a problem about which we can do something?
Conversely, others might welcome an opportunity to contribute to the understanding of a problem about which they have intimate knowledge.
A small proportion of babies are born asphyxiated (6% (24) of live births in the Obstetric survey), and qualitative findings show that asphyxia is a problem about which there remains a real lack of knowledge amongst mothers.
For the first time, there is a campaign to treat corruption as a global problem about which, perhaps, something can be done.There are three reasons for being mildly hopeful.
More than two years into her job, she's more comfortable in her pinstripe suits and pumps, but she still marvels that she was able to land a dream job in which she could have influence over a social problem about which she cares deeply.
Principals bullying staff is an old problem about which there is little research.
While the question he set out to answer was "Can machines think?", he immediately dismissed it as meaningless, an intractable problem about which we could philosophize indefinitely.
"A sort of mathematical problem about which pages pointed to which other pages.
