Test 10 Questions PPL(A) - Private Pilot License - Navigation, no time limit

1 - Given: QDM: 138° VAR: 10° E The QUJ equals...
2 - Given: True course from A to B: 250°. Ground distance: 210 NM. TAS: 130 kt. Headwind component: 15 kt. Estimated time of departure (ETD): 0915 UTC. The estimated time of arrival (ETA) is...
3 - Given: Ground speed (GS): 160 kt. True course (TC): 177°. Wind vector (W/WS): 140°/20 kt. The true heading (TH) equals...
4 - Which instantaneous information can be obtained from ground radar equipment?
5 - Given: QDR: 067° VAR: 5° E The QDM equals...
6 - Given: QDR: 022° VAR: 10° E The QTE equals...
7 - What is the difference between primary and secondary radar?
8 - Which approximate, geometrical form describes the shape of the Earth best for navigation systems?
9 - Non-directional beacons (NDBs) transmit within which frequency band?
10 - What ground features should preferrably be used for orientation during visual flight?