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

Advertisement

Slide7.JPG

Advertisement

  1. Class 10
  2. Solutions of Sample Papers for Class 10 Boards

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)

About the Author

Davneet Singh's photo - Teacher, Engineer, Marketer
Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 10 years. He provides courses for Maths and Science at Teachoo.