Arjun is facing towards the south. From there, he walks 15 m towards the east, then 20 m towards the north, then 15 m towards the east and then 20 m towards the north to reach point B. what is the shortest distance between his starting point and point B?

  1. 50 m
  2. 70 m
  3. 25 m
  4. 60 m

Answer (Detailed Solution Below)

Option 1 : 50 m
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Detailed Solution

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Directions:-

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Here, A is the starting point and B is the end point.

F1 Prashant Shraddha 22.10.2020 D11

AB = √ 30 × 30 + 40 × 40 

AB = √ 900 + 1600

AB = √ 2500

AB = 50

Thus, the correct answer is 50 m.

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