The following readings were taken on a uniformly sloping ground $$0.5$$ , $$1.0$$ , $$1.5$$ , $$2.0$$ , $$1.2$$ , $$1.7$$ , $$2.7$$ . Hence the difference in level between the first and last station is

GitBook practice — Set 4 (Ashadh, 2081)