SSC JE Civil Engineering 2018 Set 4 Solved Paper

21 ↔ 21 + 1 = 22
22 ↔ 22 × $\frac{3}{2}$ + 1.5 = 34.5
34.5 ↔ 33 × $\frac{4}{2}$ + 1.5 + 0.5 = 71
71 ↔ 71 × $\frac{5}{2}$ + 1.5 + 0.5 + 0.5 = 180
180 ↔ 180 × $\frac{6}{2}$ + 1.5 + 0.5 + 0.5 + 0.5 = 543
543 ↔ 543 × $\frac{7}{2}$ + 0.5 + 0.5 + 0.5 + 0.5 = 1904