A girl walks 200 m towards East and then 150 m towards North. The distance of the girl from the starting point is

(a) 350 m   (b) 250 m   (c) 300 m   (d) 225 m

Slide6.JPG

Slide7.JPG


Transcript

Question 3 A girl walks 200 m towards East and then 150 m towards North. The distance of the girl from the starting point is (a) 350 m (b) 250 m (c) 300 m (d) 225 m By Pythagoras theorem (Required Distance)2 = 2002 + 1502 (Required Distance)2 = 40000 + 22500 (Required Distance)2 = 62500 (Required Distance)2 = (250)2 ∴ Required Distance = 250 km So, the correct answer is (b)

Ask a doubt
Davneet Singh's photo - Co-founder, Teachoo

Made by

Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.