A) 30 km
B) 50 km
C) 25 km
D) 40 km
E) None of these
Correct Answer: B
Solution :
Explanation Option [b] is correct. Distance of final point C from Akash?s house \[\operatorname{A} = AC\]. Using pythagoras theorem, \[\operatorname{AC}=\sqrt{A{{B}^{2}}+B{{C}^{2}}}\] \[=\,\,\,\sqrt{{{40}^{2}}+{{30}^{2}}}\,\,=\,\,\sqrt{2,500}\,\,=\,\,50\,km.\]You need to login to perform this action.
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