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NIMCET 2013 Question Paper with solutions
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© examsnet.com
Question : 69
Total: 120
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:
∴
O
D
=
A
B
=
8
km
⇒CD=BD(AO)-BC
=
(
10
−
4
)
km
=
6
km
∴ Required distance (OC)
=
√
O
D
2
+
C
D
2
=
√
8
2
+
6
2
=
√
64
+
36
√
100
=
10
k
m
© examsnet.com
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