railway RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2) General Knowledge Science Technology and Inventions

भूस्थिर उपग्रह 35790 किमी उंचीवर एक परिभ्रमण कक्षा पूर्ण करण्यास किती वेळ घेतो?

1
30 दिवस
2
24 तास
3
365 दिवस
4
12 तास
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