Assistant Mathematics MCQs PPSC Past Papers Complete the Series 7,13,21,…..,43,57 January 2, 2022 Admin No Comments A: 31 B: 38 C: 42 D: 49 Correct Answer: a Short Details: 7+(6)=13 13+(8)=21 21+(10)=31 31+(12)=43 43+(14)=57 View More Details >>
