A) \[450\sqrt{41}\,km\]
B) \[3500\,km\]
C) \[125\sqrt{12}\,km\]
D) \[472\,\sqrt{41}\,km\]
Correct Answer: B
Solution :
\[OP=2100\,km,\,OQ=2800\,\,km\]
\[PQ=\sqrt{O{{P}^{2}}+O{{Q}^{2}}}\] \[=\sqrt{{{\left( 2100 \right)}^{2}}+{{\left( 2800 \right)}^{2}}}\] \[=100\sqrt{441+784}\] \[=100\sqrt{1225}\] \[=100\times 35=3500\,\,km\]
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