The answer is to first say you're walking, then ask the interviewer to solve it in 5. You should not be asking questions you're not qualified to answer. The p

The answer is to first say you're walking, then ask the interviewer to solve it in 5. You should not be asking questions you're not qualified to answer. The programming tests are a variant of this. If your own programmers who do the job right fail at them, you should skip them in hiring. It means the test fails validation and you will get a number how much it fails. If you accept a test with 2 in 3 failure rate, then do not complain nobody is there to apply. If the test is aspirational, you have to still verify how successful your people are in solving it.