Constable (Traffic Police) Mathematics MCQs Police Department PTS Past Papers Sindh Police Department Insert the missing number: 6,8,10,11,14,15,…… August 2, 2022 Admin No Comments A: 12 B: 18 C: 20 D: 22 Correct Answer: b Short Details: Its called double series. 6+4=10 8+3=11 10+4=14 11+4=15 14+4=18 15+5=20 View More Details >>