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				| 1. | When an instrument is at P the staff readings on P is 2.748 and on Q is 1.824 when instrument at Q the staff readings on P is 1.606and Q is 0.928. Distance between P and Q is 1010 mts. R.L. of P is 126.386. Find true R.L of Q? | 
| A. | 125.585 | 
| B. | 126.187 | 
| C. | 127.187 | 
| D. | 128.197 | 
| Answer» D. 128.197 | |