Table: list of west indies test wicket - keepers
Question: What is the ratio of stumpings to catches for West Indies test wicket-keepers?
Step 1 (Reasoning, Aggregating): SUM, stumpings
Step 2 (Reasoning, Aggregating): SUM, catches
Step 3 (Reasoning, Arithmetic): /, stumpings to catches
Step 4 (Reasoning, Other Commonsense Reasoning): ratio
Answer: 16:117