Match List-1 (type of boring) with List-II (suitability) and choose the correct answer using the codes given below:
List-I | List-II |
P. Auger Boring | 1. Gravelly and bouldery stratum |
Q. Wash Boring | 2. For all types of soil except bouldery stratum |
R. Percussion Boring | 3. For all types of soil above GWT |