railway RPF SI Mock Test Series 2024 General Knowledge Geography (World Geography)

পৃথিবীর ভর কত?

1
72 5k9 x 10 27 কেজি
2
5.972 x 10 24 কেজি
3
72 6k9 x 10 24 কেজি
4
72 6k9 x 10 27 কেজি
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