Match the pairs:
| Method | Purpose | ||
| A. | Khosla method | I. | Design of canal |
| B. | Kennedy's method | II. | Seepage analysis |
| C. | Laplace equation | III. | Design of hydraulic jump type stilling basin |
| D. | IS: 4997-1968 | IV. | Design of weirs |
1
A - III, B - I, C - II, D - IV
2
A - III, B - II, C - I, D - IV
3
A - IV, B - I, C - II, D - III
4
A - IV, B - III, C - II, D - I