NIMCET 2013 Question Paper with solutions

Question : 69 of 120

Marks: +1, -0

Dhoni starts from his office at 8 A.M. on a Sunday morning, travels 10 km towards West and then turns to his left and walks 8 km. Then he again turns to his left and walks 4 km and then stop. What is the shortest distance to his office from the point where he stopped ?

18km
8km
10km
N.O.T.

Validate

Solution:

Dhoni's Walking Direction are as follows:

∴OD=AB=8

km
⇒CD=BD(AO)-BC

=(10-4)

=6

km
∴ Required distance (OC)

=√{OD^2+CD^2}

=√{8^2+6^2}=√{64+36}

√100=10km

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