A person walks 7 metres towards south. After taking a left turn he walks 12 metres. Again he takes a left turn and walks 2 metres. What is the distance between the starting point and final point? - General Test

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MCQ

A person walks 7 metres towards south. After taking a left turn he walks 12 metres. Again he takes a left turn and walks 2 metres. What is the distance between the starting point and final point?

Options

  • 13 metres

  • 11 metres

  • 17 metres

  • 14 metres

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Solution

13 metres

Explanation:


Required distance

AD = `sqrt((AE)^2 + (ED)^2)`

= `sqrt((5)^2 + (12)^2`

= `sqrt(25 + 144)`

= `sqrt(169)`

= 13 metres

Concept: Direction and Distance Test (Entrance Exam)
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