The best way to answer is to follow a three-part formula. Describe a situation in which you found a creative way to overcome an obstacle. Sometimes a problem has many variables and finding the right problem to solve can be difficult.
IRAC sometimes referred to as ILAC is a really useful tool designed to help you answer questions such as this in a defined logical structure and ensure that you wont miss anything from your answer.
Highlight how your contributions or ability to ask for help made a difference. Logic questions for interview purposes can be used to assess these skillsets as well as gauge the way you ask for information use resources and work under pressure. Here are a few examples of how to answer problem-solving questions. Last month I recruited a couple of coworkers to help me solve a problem for a client.