Yes, Mauritania is further west than the prime meridian (zero degrees latitude). The midpoint of Mauritania is further west by approximately 645 miles (1,038km).
No, Mauritania is not further east than the prime meridian (zero degrees latitude).
Yes, Mauritania is further north than the equator. The midpoint of Mauritania is further north by approximately 1,452 miles (2,336km).
No, Mauritania is not further south than the equator.