1) Start from his house , Sachin walks a distance of 8m towards north , then he turns left and walks for 6 m, then walks for 3 m towards south and finally travels 6 m towards west to reach his office.Find out the distance between his house and office and also in which direction is his office situated with respect to his houe? A) 14 m B) 15 m C) 13 m D) 12 m Answer: Option CExplanation: Let A be the Sachin's house and E his office. The distnace between A and E $=\sqrt{(EF)^{2} + (AF)^{2}}$ $=\sqrt{(EF+CB)^{2} + (AB-CD)^{2}}$ $=\sqrt{12^{2} + 5^{2}}$ =13m
