CSS Mathematics MCQs SPSC Past Papers Look at the series:22, 21,23,22,24,23,… January 3, 2022 Admin No Comments A: 22 B: 24 C: 25 D: 28 Correct Answer: c Short Details: 22-1=21 21+2=23 23-1=22 22+2=24 24-1=23 23+2=25 View More Details >>