CAPF Answer Key 2020 with Detailed Analysis. Set A, Set B, Set C and Set D Answer key of the Recent Central Armed Police Force Exam. Once the CAPF AC 2020 exam gets over, Major kalshi classes release come up with the CAPF 2020 answer key . The answer keys are compiled by the experts of the Major kalshi classes. Candidates can refer to the unofficial CAPF answer keys 2020 to know their chances of selection for the exam.