Airport Security Force (ASF) Assistant Director FPSC Past Papers Mathematics MCQs The mean of 100 items was found to be 30. If at the time of calculation, two items were wrongly taken as 32 and 12 instead of 23 and 11. Then correct mean is _____ March 24, 2023 Admin No Comments A: 29.8 B: 29.9 C: 30.0 D: 30.1 Correct Answer: B View More Details >>