The phrase "able to answer any" is correct and usable in written English.
It can be used when indicating someone's capability to respond to any question or inquiry.
Example: "The expert was able to answer any questions the audience had during the seminar."
Alternatives: "capable of responding to any" or "qualified to answer all".
An experienced recruiter, he will be able to answer any questions about the application process for the RAF.
A brazen head, should you have forgotten your medieval history, is a brass head that was supposedly able to answer any question.
They'll know the ships, and be able to answer any questions, as well as give perks such as on-board credit and cabin upgrades.
GUANTÁNAMO BAY, Cuba — Welcome to Guantánamo Bay, where your tour guide will never leave your side but may not be able to answer any of your questions.
She had not been able to answer any of his questions, because when he asked she could not remember anything about herself.
For listening and language, we're focusing on translating speech to text, text between any languages, and also being able to answer any natural language question you ask".
Technical issues with the automated calls were clearly unproblematic for most participants (n = 48; 73.8 %), and a majority were able to answer without any repetition (n = 43; 66.2 %).
The church denied everything, yet Cruise hasn't been able to answer or dodge any questions about the film – because he hasn't been asked about it at all.
In the exit interview, 56, (70%) of the respondents said they were able to answer questions without any problems and 24, (30%) indicated they had some hitches.
She is able to answer the questions without any rehearsal or prompting.
I doubt I'll ever be able to answer this question with any degree of certainty, but it is possible to make a few related observations.
