Constable (Sindh Police) Mathematics MCQs Police Department Sindh Police Department Complete the given series: 1,9,5,13,…….. March 5, 2022 Admin No Comments A: 9 B: 11 C: 13 D: 14 Correct Answer: a Short Details: 1+8=9 9-4=5 5+8=13 13-4=9 View More Details >>