On many educational sites, files named with "mms" or "mmsking" contain official solutions or grading rubrics for standardized exams.
If you are looking for a specific exam paper associated with this file name: Part-3 (mmsking)zip
Large batches of past papers or answer keys are frequently bundled into ZIP files to allow for easier downloading of an entire year's worth of materials at once. Accessing the Paper On many educational sites, files named with "mms"