NIFT UG 2018 Question Paper with solutions

Question : 96 of 150

Marks: +1, -0

A child is looking for his father. He went

90 {m}

in the East before turning to his right. He went

20 {m}

before turning to his right again to look for his father at his uncle's place

30 {m}

from this point. His father was not there. From here he went

100 {m}

to his North before meeting his father in a street. How far did the son meet his father from the starting point?

Solution:

Route followed by the child is

Required distance

= {AE}

=√{(80)^{2}+(60)^{2}}

(by Pythagoras theorem)

=√{6400+3600}

=√{10000}=100 {m}

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