NIFT UG 2017 Question Paper with solutions

Question : 97 of 150

Marks: +1, -0

Shiva walks 10 km towards North and then turns right. After walking 3 km, he again turns right and walks 7 km. Now he turns left and walks 1 km. How far is he from the starting point?

10 km
7 km
20 km
5 km

Validate

Solution:

(OD)^2=(3)^2+(4)^2

OD^2=9+16

⇒OD^2=25

⇒OD = 5 km
Hence, he is 5 km away from the starting point.

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